56622999 has 4 divisors (see below), whose sum is σ = 75497336. Its totient is φ = 37748664.

The previous prime is 56622991. The next prime is 56623001. The reversal of 56622999 is 99922665.

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

It is not a de Polignac number, because 56622999 - 2³ = 56622991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437164 + ... + 9437169.

It is an arithmetic number, because the mean of its divisors is an integer number (18874334).

Almost surely, 2^56622999 is an apocalyptic number.

56622999 is a deficient number, since it is larger than the sum of its proper divisors (18874337).

56622999 is a wasteful number, since it uses less digits than its factorization.

56622999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874336.

The product of its digits is 524880, while the sum is 48.

The square root of 56622999 is about 7524.8255129272. The cubic root of 56622999 is about 383.9997626409. Note that the first 3 decimals are identical.

The spelling of 56622999 in words is "fifty-six million, six hundred twenty-two thousand, nine hundred ninety-nine".