55646160 has 40 divisors (see below), whose sum is σ = 172503840. Its totient is φ = 14838912.

The previous prime is 55646153. The next prime is 55646183. The reversal of 55646160 is 6164655.

It is a tau number, because it is divible by the number of its divisors (40).

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, 115690 + ... + 116169.

It is an arithmetic number, because the mean of its divisors is an integer number (4312596).

Almost surely, 2^55646160 is an apocalyptic number.

It is an amenable number.

55646160 is an abundant number, since it is smaller than the sum of its proper divisors (116857680).

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

55646160 is a wasteful number, since it uses less digits than its factorization.

55646160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231875 (or 231869 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55646160 is about 7459.6353798292. The cubic root of 55646160 is about 381.7787339167.

The spelling of 55646160 in words is "fifty-five million, six hundred forty-six thousand, one hundred sixty".