55706812 has 24 divisors (see below), whose sum is σ = 111574400. Its totient is φ = 23839920.

The previous prime is 55706789. The next prime is 55706821. The reversal of 55706812 is 21860755.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 31939 + ... + 33637.

Almost surely, 2^55706812 is an apocalyptic number.

It is an amenable number.

55706812 is an abundant number, since it is smaller than the sum of its proper divisors (55867588).

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

55706812 is a wasteful number, since it uses less digits than its factorization.

55706812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881 (or 2879 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55706812 is about 7463.6996188218. The cubic root of 55706812 is about 381.9173911991.

The spelling of 55706812 in words is "fifty-five million, seven hundred six thousand, eight hundred twelve".