55913568 has 24 divisors (see below), whose sum is σ = 146773368. Its totient is φ = 18637824.

The previous prime is 55913497. The next prime is 55913573. The reversal of 55913568 is 86531955.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291121 + ... + 291312.

It is an arithmetic number, because the mean of its divisors is an integer number (6115557).

Almost surely, 2^55913568 is an apocalyptic number.

It is an amenable number.

55913568 is an abundant number, since it is smaller than the sum of its proper divisors (90859800).

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

55913568 is a wasteful number, since it uses less digits than its factorization.

55913568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582446 (or 582438 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 55913568 is about 7477.5375625937. The cubic root of 55913568 is about 382.3893036929.

The spelling of 55913568 in words is "fifty-five million, nine hundred thirteen thousand, five hundred sixty-eight".