55056812 has 36 divisors (see below), whose sum is σ = 103616184. Its totient is φ = 25589760.

The previous prime is 55056773. The next prime is 55056821. The reversal of 55056812 is 21865055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111887 + ... + 112377.

Almost surely, 2^55056812 is an apocalyptic number.

It is an amenable number.

55056812 is a deficient number, since it is larger than the sum of its proper divisors (48559372).

55056812 is a wasteful number, since it uses less digits than its factorization.

55056812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 55056812 is about 7420.0277627513. The cubic root of 55056812 is about 380.4261424322.

The spelling of 55056812 in words is "fifty-five million, fifty-six thousand, eight hundred twelve".