56257792 has 18 divisors (see below), whose sum is σ = 112296338. Its totient is φ = 28128768.

The previous prime is 56257787. The next prime is 56257801. The reversal of 56257792 is 29775265.

It can be written as a sum of positive squares in only one way, i.e., 55591936 + 665856 = 7456^2 + 816^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 109623 + ... + 110134.

Almost surely, 2^56257792 is an apocalyptic number.

It is an amenable number.

56257792 is a deficient number, since it is larger than the sum of its proper divisors (56038546).

56257792 is an equidigital number, since it uses as much as digits as its factorization.

56257792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219773 (or 219759 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 56257792 is about 7500.5194486782. The cubic root of 56257792 is about 383.1724074780.

It can be divided in two parts, 56257 and 792, that multiplied together give a palindrome (44555544).

The spelling of 56257792 in words is "fifty-six million, two hundred fifty-seven thousand, seven hundred ninety-two".