55613360 has 40 divisors (see below), whose sum is σ = 141057936. Its totient is φ = 20222720.

The previous prime is 55613359. The next prime is 55613381. The reversal of 55613360 is 6331655.

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

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, 30719 + ... + 32478.

Almost surely, 2^55613360 is an apocalyptic number.

It is an amenable number.

55613360 is an abundant number, since it is smaller than the sum of its proper divisors (85444576).

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

55613360 is a wasteful number, since it uses less digits than its factorization.

55613360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221 (or 63215 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 55613360 is about 7457.4365568874. The cubic root of 55613360 is about 381.7037074539.

The spelling of 55613360 in words is "fifty-five million, six hundred thirteen thousand, three hundred sixty".