55500525 has 24 divisors (see below), whose sum is σ = 101957760. Its totient is φ = 29599920.

The previous prime is 55500499. The next prime is 55500527. The reversal of 55500525 is 52500555.

It is a happy number.

It is not a de Polignac number, because 55500525 - 2⁵ = 55500493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40437 + ... + 41786.

It is an arithmetic number, because the mean of its divisors is an integer number (4248240).

Almost surely, 2^55500525 is an apocalyptic number.

It is an amenable number.

55500525 is a deficient number, since it is larger than the sum of its proper divisors (46457235).

55500525 is a wasteful number, since it uses less digits than its factorization.

55500525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82242 (or 82231 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 55500525 is about 7449.8674484852. The cubic root of 55500525 is about 381.4453840408.

The spelling of 55500525 in words is "fifty-five million, five hundred thousand, five hundred twenty-five".