55656644 has 24 divisors (see below), whose sum is σ = 99451968. Its totient is φ = 27246240.

The previous prime is 55656631. The next prime is 55656673. The reversal of 55656644 is 44665655.

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, 74537 + ... + 75279.

It is an arithmetic number, because the mean of its divisors is an integer number (4143832).

Almost surely, 2^55656644 is an apocalyptic number.

It is an amenable number.

55656644 is a deficient number, since it is larger than the sum of its proper divisors (43795324).

55656644 is a wasteful number, since it uses less digits than its factorization.

55656644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 55656644 is about 7460.3380620452. The cubic root of 55656644 is about 381.8027087181.

The spelling of 55656644 in words is "fifty-five million, six hundred fifty-six thousand, six hundred forty-four".