56457337 has 4 divisors (see below), whose sum is σ = 56503440. Its totient is φ = 56411236.

The previous prime is 56457319. The next prime is 56457361. The reversal of 56457337 is 73375465.

It is the 3068-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56457337 - 2¹⁹ = 55933049 is a prime.

It is a super-2 number, since 2×56457337² = 6374861802263138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 56457337.

It is not an unprimeable number, because it can be changed into a prime (56457307) 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, 21163 + ... + 23680.

It is an arithmetic number, because the mean of its divisors is an integer number (14125860).

Almost surely, 2^56457337 is an apocalyptic number.

It is an amenable number.

56457337 is a deficient number, since it is larger than the sum of its proper divisors (46103).

56457337 is a wasteful number, since it uses less digits than its factorization.

56457337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46102.

The product of its digits is 264600, while the sum is 40.

The square root of 56457337 is about 7513.8097527153. The cubic root of 56457337 is about 383.6249072551.

The spelling of 56457337 in words is "fifty-six million, four hundred fifty-seven thousand, three hundred thirty-seven".