56622563 has 4 divisors (see below), whose sum is σ = 59953320. Its totient is φ = 53291808.

The previous prime is 56622547. The next prime is 56622583. The reversal of 56622563 is 36522665.

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

It is a cyclic number.

It is not a de Polignac number, because 56622563 - 2⁴ = 56622547 is a prime.

It is a super-2 number, since 2×56622563² = 6412229281377938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56622583) 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, 1665353 + ... + 1665386.

It is an arithmetic number, because the mean of its divisors is an integer number (14988330).

Almost surely, 2^56622563 is an apocalyptic number.

56622563 is a deficient number, since it is larger than the sum of its proper divisors (3330757).

56622563 is a wasteful number, since it uses less digits than its factorization.

56622563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330756.

The product of its digits is 64800, while the sum is 35.

The square root of 56622563 is about 7524.7965421000. The cubic root of 56622563 is about 383.9987770324.

The spelling of 56622563 in words is "fifty-six million, six hundred twenty-two thousand, five hundred sixty-three".