56031045 has 32 divisors (see below), whose sum is σ = 105995520. Its totient is φ = 24729600.

The previous prime is 56031029. The next prime is 56031047. The reversal of 56031045 is 54013065.

It is not a de Polignac number, because 56031045 - 2⁴ = 56031029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56031047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6156 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (3312360).

Almost surely, 2^56031045 is an apocalyptic number.

It is an amenable number.

56031045 is a deficient number, since it is larger than the sum of its proper divisors (49964475).

56031045 is a wasteful number, since it uses less digits than its factorization.

56031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56031045 is about 7485.3887674589. The cubic root of 56031045 is about 382.6569222423.

The spelling of 56031045 in words is "fifty-six million, thirty-one thousand, forty-five".