56623775 has 24 divisors (see below), whose sum is σ = 76922160. Its totient is φ = 41091840.

The previous prime is 56623771. The next prime is 56623789. The reversal of 56623775 is 57732665.

It is not a de Polignac number, because 56623775 - 2² = 56623771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56623771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17699 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (3205090).

Almost surely, 2^56623775 is an apocalyptic number.

56623775 is a deficient number, since it is larger than the sum of its proper divisors (20298385).

56623775 is a wasteful number, since it uses less digits than its factorization.

56623775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3030 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 56623775 is about 7524.8770754079. The cubic root of 56623775 is about 384.0015168307.

The spelling of 56623775 in words is "fifty-six million, six hundred twenty-three thousand, seven hundred seventy-five".