55156896 has 48 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 18385344.

The previous prime is 55156889. The next prime is 55156909. The reversal of 55156896 is 69865155.

It is a happy number.

55156896 is a `hidden beast` number, since 551 + 5 + 6 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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, 31056 + ... + 32783.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^55156896 is an apocalyptic number.

It is an amenable number.

55156896 is an abundant number, since it is smaller than the sum of its proper divisors (105719904).

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

55156896 is a wasteful number, since it uses less digits than its factorization.

55156896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63858 (or 63844 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 55156896 is about 7426.7688802063. The cubic root of 55156896 is about 380.6565197514.

The spelling of 55156896 in words is "fifty-five million, one hundred fifty-six thousand, eight hundred ninety-six".