56739575 has 24 divisors (see below), whose sum is σ = 73590528. Its totient is φ = 43354080.

The previous prime is 56739569. The next prime is 56739583. The reversal of 56739575 is 57593765.

It is not a de Polignac number, because 56739575 - 2⁶ = 56739511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49964 + ... + 51086.

It is an arithmetic number, because the mean of its divisors is an integer number (3066272).

Almost surely, 2^56739575 is an apocalyptic number.

56739575 is a deficient number, since it is larger than the sum of its proper divisors (16850953).

56739575 is a wasteful number, since it uses less digits than its factorization.

56739575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).

The product of its digits is 992250, while the sum is 47.

The square root of 56739575 is about 7532.5676233274. The cubic root of 56739575 is about 384.2631095213.

The spelling of 56739575 in words is "fifty-six million, seven hundred thirty-nine thousand, five hundred seventy-five".