55622612 has 12 divisors (see below), whose sum is σ = 97400436. Its totient is φ = 27793920.

The previous prime is 55622603. The next prime is 55622621. The reversal of 55622612 is 21622655.

It is an interprime number because it is at equal distance from previous prime (55622603) and next prime (55622621).

It can be written as a sum of positive squares in 2 ways, for example, as 3984016 + 51638596 = 1996^2 + 7186^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 5162 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (8116703).

Almost surely, 2^55622612 is an apocalyptic number.

It is an amenable number.

55622612 is a deficient number, since it is larger than the sum of its proper divisors (41777824).

55622612 is a wasteful number, since it uses less digits than its factorization.

55622612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698 (or 8696 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 55622612 is about 7458.0568514862. The cubic root of 55622612 is about 381.7248733924.

The spelling of 55622612 in words is "fifty-five million, six hundred twenty-two thousand, six hundred twelve".