55013564 has 12 divisors (see below), whose sum is σ = 101937024. Its totient is φ = 25888704.

The previous prime is 55013557. The next prime is 55013573. The reversal of 55013564 is 46531055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404444 + ... + 404579.

It is an arithmetic number, because the mean of its divisors is an integer number (8494752).

Almost surely, 2^55013564 is an apocalyptic number.

It is an amenable number.

55013564 is a deficient number, since it is larger than the sum of its proper divisors (46923460).

55013564 is a wasteful number, since it uses less digits than its factorization.

55013564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809044 (or 809042 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55013564 is about 7417.1129154139. The cubic root of 55013564 is about 380.3265060806.

The spelling of 55013564 in words is "fifty-five million, thirteen thousand, five hundred sixty-four".