55160664 has 32 divisors (see below), whose sum is σ = 148510320. Its totient is φ = 16972416.

The previous prime is 55160659. The next prime is 55160711. The reversal of 55160664 is 46606155.

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, 88087 + ... + 88710.

Almost surely, 2^55160664 is an apocalyptic number.

It is an amenable number.

55160664 is an abundant number, since it is smaller than the sum of its proper divisors (93349656).

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

55160664 is a wasteful number, since it uses less digits than its factorization.

55160664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176819 (or 176815 counting only the distinct ones).

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

The square root of 55160664 is about 7427.0225528135. The cubic root of 55160664 is about 380.6651876377.

The spelling of 55160664 in words is "fifty-five million, one hundred sixty thousand, six hundred sixty-four".