56622885 has 16 divisors (see below), whose sum is σ = 98832960. Its totient is φ = 27453440.

The previous prime is 56622851. The next prime is 56622889. The reversal of 56622885 is 58822665.

It is not a de Polignac number, because 56622885 - 2¹³ = 56614693 is a prime.

It is a super-2 number, since 2×56622885² = 6412302211446450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171420 + ... + 171749.

It is an arithmetic number, because the mean of its divisors is an integer number (6177060).

Almost surely, 2^56622885 is an apocalyptic number.

56622885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56622885 is a deficient number, since it is larger than the sum of its proper divisors (42210075).

56622885 is a wasteful number, since it uses less digits than its factorization.

56622885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343188.

The product of its digits is 230400, while the sum is 42.

The square root of 56622885 is about 7524.8179379969. The cubic root of 56622885 is about 383.9995049364. Note that the first 3 decimals are identical.

The spelling of 56622885 in words is "fifty-six million, six hundred twenty-two thousand, eight hundred eighty-five".