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54793 = 157349
BaseRepresentation
bin1101011000001001
32210011101
431120021
53223133
61101401
7315514
oct153011
983141
1054793
1138192
1227861
131bc2b
1415d7b
151137d
hexd609

54793 has 4 divisors (see below), whose sum is σ = 55300. Its totient is φ = 54288.

The previous prime is 54787. The next prime is 54799. The reversal of 54793 is 39745.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39745 = 57949.

It is an interprime number because it is at equal distance from previous prime (54787) and next prime (54799).

It can be written as a sum of positive squares in 2 ways, for example, as 28224 + 26569 = 168^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 54793 - 213 = 46601 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (54799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 331.

It is an arithmetic number, because the mean of its divisors is an integer number (13825).

254793 is an apocalyptic number.

It is an amenable number.

54793 is a deficient number, since it is larger than the sum of its proper divisors (507).

54793 is a wasteful number, since it uses less digits than its factorization.

54793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 3780, while the sum is 28.

The square root of 54793 is about 234.0790464779. The cubic root of 54793 is about 37.9817548608.

The spelling of 54793 in words is "fifty-four thousand, seven hundred ninety-three".

Divisors: 1 157 349 54793