54401533 has 4 divisors (see below), whose sum is σ = 55090240. Its totient is φ = 53712828.

The previous prime is 54401531. The next prime is 54401537. The reversal of 54401533 is 33510445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33510445 = 5 ⋅6702089.

It is a cyclic number.

It is not a de Polignac number, because 54401533 - 2¹ = 54401531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54401498 and 54401507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54401531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344235 + ... + 344392.

It is an arithmetic number, because the mean of its divisors is an integer number (13772560).

Almost surely, 2^54401533 is an apocalyptic number.

It is an amenable number.

54401533 is a deficient number, since it is larger than the sum of its proper divisors (688707).

54401533 is an equidigital number, since it uses as much as digits as its factorization.

54401533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688706.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 54401533 is about 7375.7394883496. The cubic root of 54401533 is about 378.9108540620.

Adding to 54401533 its reverse (33510445), we get a palindrome (87911978).

The spelling of 54401533 in words is "fifty-four million, four hundred one thousand, five hundred thirty-three".