56757272 has 32 divisors (see below), whose sum is σ = 125027280. Its totient is φ = 23813760.

The previous prime is 56757269. The next prime is 56757277. The reversal of 56757272 is 27275765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56757277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23663 + ... + 25950.

Almost surely, 2^56757272 is an apocalyptic number.

56757272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56757272 is an abundant number, since it is smaller than the sum of its proper divisors (68270008).

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

56757272 is a wasteful number, since it uses less digits than its factorization.

56757272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49643 (or 49639 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 56757272 is about 7533.7422307908. The cubic root of 56757272 is about 384.3030557574.

The spelling of 56757272 in words is "fifty-six million, seven hundred fifty-seven thousand, two hundred seventy-two".