56622655 has 4 divisors (see below), whose sum is σ = 67947192. Its totient is φ = 45298120.

The previous prime is 56622649. The next prime is 56622661. The reversal of 56622655 is 55622665.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56622649) and next prime (56622661).

It is not a de Polignac number, because 56622655 - 2⁹ = 56622143 is a prime.

It is a super-2 number, since 2×56622655² = 6412250118498050, which contains 22 as substring.

It is a Duffinian number.

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, 5662261 + ... + 5662270.

It is an arithmetic number, because the mean of its divisors is an integer number (16986798).

Almost surely, 2^56622655 is an apocalyptic number.

56622655 is a deficient number, since it is larger than the sum of its proper divisors (11324537).

56622655 is a wasteful number, since it uses less digits than its factorization.

56622655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324536.

The product of its digits is 108000, while the sum is 37.

The square root of 56622655 is about 7524.8026552196. The cubic root of 56622655 is about 383.9989850053.

The spelling of 56622655 in words is "fifty-six million, six hundred twenty-two thousand, six hundred fifty-five".