56537005 has 16 divisors (see below), whose sum is σ = 79188480. Its totient is φ = 37942272.

The previous prime is 56536993. The next prime is 56537017. The reversal of 56537005 is 50073565.

It is an interprime number because it is at equal distance from previous prime (56536993) and next prime (56537017).

It is a cyclic number.

It is not a de Polignac number, because 56537005 - 2¹⁵ = 56504237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15540 + ... + 18829.

It is an arithmetic number, because the mean of its divisors is an integer number (4949280).

Almost surely, 2^56537005 is an apocalyptic number.

It is an amenable number.

56537005 is a deficient number, since it is larger than the sum of its proper divisors (22651475).

56537005 is a wasteful number, since it uses less digits than its factorization.

56537005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34428.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 56537005 is about 7519.1093222535. The cubic root of 56537005 is about 383.8052691954.

The spelling of 56537005 in words is "fifty-six million, five hundred thirty-seven thousand, five".