56235460431 has 4 divisors (see below), whose sum is σ = 74980613912. Its totient is φ = 37490306952.

The previous prime is 56235460339. The next prime is 56235460451. The reversal of 56235460431 is 13406453265.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56235460431 - 2¹³ = 56235452239 is a prime.

It is a super-2 number, since 2×56235460431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56235460431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56235460451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9372576736 + ... + 9372576741.

It is an arithmetic number, because the mean of its divisors is an integer number (18745153478).

Almost surely, 2^56235460431 is an apocalyptic number.

56235460431 is a deficient number, since it is larger than the sum of its proper divisors (18745153481).

56235460431 is a wasteful number, since it uses less digits than its factorization.

56235460431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18745153480.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 56235460431 in words is "fifty-six billion, two hundred thirty-five million, four hundred sixty thousand, four hundred thirty-one".