55562520 has 64 divisors (see below), whose sum is σ = 179514720. Its totient is φ = 13676544.

The previous prime is 55562519. The next prime is 55562543. The reversal of 55562520 is 2526555.

55562520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16249 + ... + 19368.

Almost surely, 2^55562520 is an apocalyptic number.

It is an amenable number.

55562520 is an abundant number, since it is smaller than the sum of its proper divisors (123952200).

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

55562520 is a wasteful number, since it uses less digits than its factorization.

55562520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35644 (or 35640 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 55562520 is about 7454.0270994946. The cubic root of 55562520 is about 381.5873581157.

The spelling of 55562520 in words is "fifty-five million, five hundred sixty-two thousand, five hundred twenty".