56520037 has 8 divisors (see below), whose sum is σ = 66678272. Its totient is φ = 46882800.

The previous prime is 56520029. The next prime is 56520067. The reversal of 56520037 is 73002565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56520037 - 2³ = 56520029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56519987 and 56520014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56520067) 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, 130014 + ... + 130447.

It is an arithmetic number, because the mean of its divisors is an integer number (8334784).

Almost surely, 2^56520037 is an apocalyptic number.

It is an amenable number.

56520037 is a deficient number, since it is larger than the sum of its proper divisors (10158235).

56520037 is a wasteful number, since it uses less digits than its factorization.

56520037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260499.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 56520037 is about 7517.9809124525. The cubic root of 56520037 is about 383.7668692164.

It can be divided in two parts, 565 and 20037, that added together give a palindrome (20602).

The spelling of 56520037 in words is "fifty-six million, five hundred twenty thousand, thirty-seven".