55565723 has 8 divisors (see below), whose sum is σ = 58096896. Its totient is φ = 53044200.

The previous prime is 55565689. The next prime is 55565737. The reversal of 55565723 is 32756555.

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 55565723 - 2⁶ = 55565659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55565753) 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, 11018 + ... + 15248.

It is an arithmetic number, because the mean of its divisors is an integer number (7262112).

Almost surely, 2^55565723 is an apocalyptic number.

55565723 is a deficient number, since it is larger than the sum of its proper divisors (2531173).

55565723 is a wasteful number, since it uses less digits than its factorization.

55565723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825.

The product of its digits is 157500, while the sum is 38.

The square root of 55565723 is about 7454.2419467039. The cubic root of 55565723 is about 381.5946904015.

The spelling of 55565723 in words is "fifty-five million, five hundred sixty-five thousand, seven hundred twenty-three".