56575575 has 72 divisors (see below), whose sum is σ = 122679648. Its totient is φ = 24330240.

The previous prime is 56575567. The next prime is 56575583. The reversal of 56575575 is 57557565.

56575575 is a `hidden beast` number, since 5 + 6 + 5 + 75 + 575 = 666.

It is an interprime number because it is at equal distance from previous prime (56575567) and next prime (56575583).

It is not a de Polignac number, because 56575575 - 2³ = 56575567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56575575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25719 + ... + 27831.

It is an arithmetic number, because the mean of its divisors is an integer number (1703884).

Almost surely, 2^56575575 is an apocalyptic number.

56575575 is an abundant number, since it is smaller than the sum of its proper divisors (66104073).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56575575 is a wasteful number, since it uses less digits than its factorization.

56575575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2145 counting only the distinct ones).

The product of its digits is 918750, while the sum is 45.

The square root of 56575575 is about 7521.6736834298. The cubic root of 56575575 is about 383.8925277039.

The spelling of 56575575 in words is "fifty-six million, five hundred seventy-five thousand, five hundred seventy-five".