55651884 has 12 divisors (see below), whose sum is σ = 129854424. Its totient is φ = 18550624.

The previous prime is 55651879. The next prime is 55651951. The reversal of 55651884 is 48815655.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2318817 + ... + 2318840.

It is an arithmetic number, because the mean of its divisors is an integer number (10821202).

Almost surely, 2^55651884 is an apocalyptic number.

It is an amenable number.

55651884 is an abundant number, since it is smaller than the sum of its proper divisors (74202540).

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

55651884 is a wasteful number, since it uses less digits than its factorization.

55651884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637664 (or 4637662 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 55651884 is about 7460.0190348283. The cubic root of 55651884 is about 381.7918239278.

The spelling of 55651884 in words is "fifty-five million, six hundred fifty-one thousand, eight hundred eighty-four".