56752487 has 32 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 46137600.

The previous prime is 56752481. The next prime is 56752489. The reversal of 56752487 is 78425765.

It is a cyclic number.

It is not a de Polignac number, because 56752487 - 2⁴ = 56752471 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56752481) 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, 316964 + ... + 317142.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^56752487 is an apocalyptic number.

56752487 is a deficient number, since it is larger than the sum of its proper divisors (12194713).

56752487 is a wasteful number, since it uses less digits than its factorization.

56752487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its digits is 470400, while the sum is 44.

The square root of 56752487 is about 7533.4246528388. The cubic root of 56752487 is about 384.2922557210.

The spelling of 56752487 in words is "fifty-six million, seven hundred fifty-two thousand, four hundred eighty-seven".