56272757 has 4 divisors (see below), whose sum is σ = 56770860. Its totient is φ = 55774656.

The previous prime is 56272751. The next prime is 56272763. The reversal of 56272757 is 75727265.

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

It is an interprime number because it is at equal distance from previous prime (56272751) and next prime (56272763).

It can be written as a sum of positive squares in 2 ways, for example, as 12103441 + 44169316 = 3479^2 + 6646^2 .

It is a cyclic number.

It is not a de Polignac number, because 56272757 - 2⁸ = 56272501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56272751) 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, 248882 + ... + 249107.

It is an arithmetic number, because the mean of its divisors is an integer number (14192715).

Almost surely, 2^56272757 is an apocalyptic number.

It is an amenable number.

56272757 is a deficient number, since it is larger than the sum of its proper divisors (498103).

56272757 is a wasteful number, since it uses less digits than its factorization.

56272757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498102.

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

The square root of 56272757 is about 7501.5169799181. The cubic root of 56272757 is about 383.2063800561.

The spelling of 56272757 in words is "fifty-six million, two hundred seventy-two thousand, seven hundred fifty-seven".