55662160 has 20 divisors (see below), whose sum is σ = 129414708. Its totient is φ = 22264832.

The previous prime is 55662157. The next prime is 55662161. The reversal of 55662160 is 6126655.

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 46076944 = 3096^2 + 6788^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55662161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347809 + ... + 347968.

Almost surely, 2^55662160 is an apocalyptic number.

It is an amenable number.

55662160 is an abundant number, since it is smaller than the sum of its proper divisors (73752548).

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

55662160 is a wasteful number, since it uses less digits than its factorization.

55662160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695790 (or 695784 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 55662160 is about 7460.7077412267. The cubic root of 55662160 is about 381.8153214930.

The spelling of 55662160 in words is "fifty-five million, six hundred sixty-two thousand, one hundred sixty".