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54003001 = 134154077
BaseRepresentation
bin1100111000000…
…0010100111001
310202121122012011
43032000110321
5102311044001
65205245521
71224006103
oct316002471
9122548164
1054003001
1128535288
12161038a1
13b25a450
14725a573
154b1ad51
hex3380539

54003001 has 4 divisors (see below), whose sum is σ = 58157092. Its totient is φ = 49848912.

The previous prime is 54002989. The next prime is 54003043. The reversal of 54003001 is 10030045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10030045 = 52006009.

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 35521600 = 4299^2 + 5960^2 .

It is a cyclic number.

It is not a de Polignac number, because 54003001 - 215 = 53970233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 4154077 = 54003001 / (5 + 4 + 0 + 0 + 3 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54003401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077026 + ... + 2077051.

It is an arithmetic number, because the mean of its divisors is an integer number (14539273).

Almost surely, 254003001 is an apocalyptic number.

It is an amenable number.

54003001 is a deficient number, since it is larger than the sum of its proper divisors (4154091).

54003001 is a wasteful number, since it uses less digits than its factorization.

54003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154090.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 54003001 is about 7348.6734176993. The cubic root of 54003001 is about 377.9833167333.

Adding to 54003001 its reverse (10030045), we get a palindrome (64033046).

The spelling of 54003001 in words is "fifty-four million, three thousand, one".

Divisors: 1 13 4154077 54003001