55706612 has 24 divisors (see below), whose sum is σ = 106258656. Its totient is φ = 25399008.

The previous prime is 55706587. The next prime is 55706641. The reversal of 55706612 is 21660755.

It is a happy number.

It is a congruent number.

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, 2138 + ... + 10769.

It is an arithmetic number, because the mean of its divisors is an integer number (4427444).

Almost surely, 2^55706612 is an apocalyptic number.

55706612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55706612 is a deficient number, since it is larger than the sum of its proper divisors (50552044).

55706612 is a wasteful number, since it uses less digits than its factorization.

55706612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13007 (or 13005 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55706612 is about 7463.6862206285. The cubic root of 55706612 is about 381.9169341421.

The spelling of 55706612 in words is "fifty-five million, seven hundred six thousand, six hundred twelve".