56423665 has 8 divisors (see below), whose sum is σ = 68226048. Its totient is φ = 44793840.

The previous prime is 56423651. The next prime is 56423677. The reversal of 56423665 is 56632465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56423665 - 2¹⁵ = 56390897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42417 + ... + 43726.

It is an arithmetic number, because the mean of its divisors is an integer number (8528256).

Almost surely, 2^56423665 is an apocalyptic number.

It is an amenable number.

56423665 is a deficient number, since it is larger than the sum of its proper divisors (11802383).

56423665 is a wasteful number, since it uses less digits than its factorization.

56423665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86279.

The product of its digits is 129600, while the sum is 37.

The square root of 56423665 is about 7511.5687442771. The cubic root of 56423665 is about 383.5486255442.

The spelling of 56423665 in words is "fifty-six million, four hundred twenty-three thousand, six hundred sixty-five".