55064160 has 72 divisors (see below), whose sum is σ = 187911360. Its totient is φ = 14683392.

The previous prime is 55064131. The next prime is 55064161. The reversal of 55064160 is 6146055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55064161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17680 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (2609880).

Almost surely, 2^55064160 is an apocalyptic number.

It is an amenable number.

55064160 is an abundant number, since it is smaller than the sum of its proper divisors (132847200).

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

55064160 is a wasteful number, since it uses less digits than its factorization.

55064160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38260 (or 38249 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55064160 is about 7420.5228926269. The cubic root of 55064160 is about 380.4430658418.

The spelling of 55064160 in words is "fifty-five million, sixty-four thousand, one hundred sixty".