55831612 has 12 divisors (see below), whose sum is σ = 101074680. Its totient is φ = 26953136.

The previous prime is 55831561. The next prime is 55831663. The reversal of 55831612 is 21613855.

It is an interprime number because it is at equal distance from previous prime (55831561) and next prime (55831663).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240538 + ... + 240769.

It is an arithmetic number, because the mean of its divisors is an integer number (8422890).

Almost surely, 2^55831612 is an apocalyptic number.

It is an amenable number.

55831612 is a deficient number, since it is larger than the sum of its proper divisors (45243068).

55831612 is a wasteful number, since it uses less digits than its factorization.

55831612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481340 (or 481338 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 55831612 is about 7472.0554066468. The cubic root of 55831612 is about 382.2023817271.

The spelling of 55831612 in words is "fifty-five million, eight hundred thirty-one thousand, six hundred twelve".