55611976 has 32 divisors (see below), whose sum is σ = 124352640. Its totient is φ = 22796928.

The previous prime is 55611929. The next prime is 55612001. The reversal of 55611976 is 67911655.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 20301 + ... + 22876.

It is an arithmetic number, because the mean of its divisors is an integer number (3886020).

Almost surely, 2^55611976 is an apocalyptic number.

55611976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55611976 is an abundant number, since it is smaller than the sum of its proper divisors (68740664).

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

55611976 is a wasteful number, since it uses less digits than its factorization.

55611976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43213 (or 43209 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 55611976 is about 7457.3437630298. The cubic root of 55611976 is about 381.7005410546.

The spelling of 55611976 in words is "fifty-five million, six hundred eleven thousand, nine hundred seventy-six".