55596856 has 16 divisors (see below), whose sum is σ = 119136240. Its totient is φ = 23827200.

The previous prime is 55596847. The next prime is 55596859. The reversal of 55596856 is 65869555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55596859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496345 + ... + 496456.

It is an arithmetic number, because the mean of its divisors is an integer number (7446015).

Almost surely, 2^55596856 is an apocalyptic number.

55596856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55596856 is an abundant number, since it is smaller than the sum of its proper divisors (63539384).

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

55596856 is a wasteful number, since it uses less digits than its factorization.

55596856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992814 (or 992810 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 49.

The square root of 55596856 is about 7456.3299283226. The cubic root of 55596856 is about 381.6659451772.

The spelling of 55596856 in words is "fifty-five million, five hundred ninety-six thousand, eight hundred fifty-six".