56636723 has 8 divisors (see below), whose sum is σ = 66538416. Its totient is φ = 47527200.

The previous prime is 56636683. The next prime is 56636729. The reversal of 56636723 is 32763665.

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

It is a cyclic number.

It is not a de Polignac number, because 56636723 - 2¹⁰ = 56635699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56636729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197888 + ... + 198173.

It is an arithmetic number, because the mean of its divisors is an integer number (8317302).

Almost surely, 2^56636723 is an apocalyptic number.

56636723 is a deficient number, since it is larger than the sum of its proper divisors (9901693).

56636723 is a wasteful number, since it uses less digits than its factorization.

56636723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396085.

The product of its digits is 136080, while the sum is 38.

The square root of 56636723 is about 7525.7373725104. The cubic root of 56636723 is about 384.0307841170.

The spelling of 56636723 in words is "fifty-six million, six hundred thirty-six thousand, seven hundred twenty-three".