56525664 has 48 divisors (see below), whose sum is σ = 159797232. Its totient is φ = 17392128.

The previous prime is 56525657. The next prime is 56525671. The reversal of 56525664 is 46652565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56525657) and next prime (56525671).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21399 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (3329109).

Almost surely, 2^56525664 is an apocalyptic number.

It is an amenable number.

56525664 is an abundant number, since it is smaller than the sum of its proper divisors (103271568).

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

56525664 is a wasteful number, since it uses less digits than its factorization.

56525664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45319 (or 45311 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 56525664 is about 7518.3551392575. The cubic root of 56525664 is about 383.7796044316.

The spelling of 56525664 in words is "fifty-six million, five hundred twenty-five thousand, six hundred sixty-four".