55623884 has 12 divisors (see below), whose sum is σ = 97496784. Its totient is φ = 27767664.

The previous prime is 55623877. The next prime is 55623907. The reversal of 55623884 is 48832655.

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, 8159 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (8124732).

Almost surely, 2^55623884 is an apocalyptic number.

It is an amenable number.

55623884 is a deficient number, since it is larger than the sum of its proper divisors (41872900).

55623884 is a wasteful number, since it uses less digits than its factorization.

55623884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144 (or 22142 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 55623884 is about 7458.1421279029. The cubic root of 55623884 is about 381.7277831823.

The spelling of 55623884 in words is "fifty-five million, six hundred twenty-three thousand, eight hundred eighty-four".