56257752 has 16 divisors (see below), whose sum is σ = 140644440. Its totient is φ = 18752576.

The previous prime is 56257687. The next prime is 56257757. The reversal of 56257752 is 25775265.

It is a self number, because there is not a number n which added to its sum of digits gives 56257752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56257757) 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, 1172013 + ... + 1172060.

Almost surely, 2^56257752 is an apocalyptic number.

It is an amenable number.

56257752 is an abundant number, since it is smaller than the sum of its proper divisors (84386688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56257752 is a wasteful number, since it uses less digits than its factorization.

56257752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344082 (or 2344078 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 56257752 is about 7500.5167821957. The cubic root of 56257752 is about 383.1723166645.

The spelling of 56257752 in words is "fifty-six million, two hundred fifty-seven thousand, seven hundred fifty-two".