56622744 has 48 divisors (see below), whose sum is σ = 156928200. Its totient is φ = 18434304.

The previous prime is 56622743. The next prime is 56622791. The reversal of 56622744 is 44722665.

56622744 is a `hidden beast` number, since 566 + 22 + 74 + 4 = 666.

It is a super-2 number, since 2×56622744² = 6412270276179072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56622699 and 56622708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6049 + ... + 12240.

Almost surely, 2^56622744 is an apocalyptic number.

It is an amenable number.

56622744 is an abundant number, since it is smaller than the sum of its proper divisors (100305456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56622744 is a wasteful number, since it uses less digits than its factorization.

56622744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344 (or 18337 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 56622744 is about 7524.8085689936. The cubic root of 56622744 is about 383.9991861962. Note that the first 3 decimals are identical.

The spelling of 56622744 in words is "fifty-six million, six hundred twenty-two thousand, seven hundred forty-four".