56387575 has 12 divisors (see below), whose sum is σ = 70040160. Its totient is φ = 45032960.

The previous prime is 56387563. The next prime is 56387579. The reversal of 56387575 is 57578365.

It is a de Polignac number, because none of the positive numbers 2^k-56387575 is a prime.

It is a super-2 number, since 2×56387575² = 6359117228761250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56387579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16407 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (5836680).

Almost surely, 2^56387575 is an apocalyptic number.

56387575 is a deficient number, since it is larger than the sum of its proper divisors (13652585).

56387575 is a wasteful number, since it uses less digits than its factorization.

56387575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3861 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The square root of 56387575 is about 7509.1660655495. The cubic root of 56387575 is about 383.4668323095.

The spelling of 56387575 in words is "fifty-six million, three hundred eighty-seven thousand, five hundred seventy-five".