56616123 has 4 divisors (see below), whose sum is σ = 75488168. Its totient is φ = 37744080.

The previous prime is 56616101. The next prime is 56616127. The reversal of 56616123 is 32161665.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56616123 - 2¹² = 56612027 is a prime.

It is a super-2 number, since 2×56616123² = 6410770767102258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56616127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9436018 + ... + 9436023.

It is an arithmetic number, because the mean of its divisors is an integer number (18872042).

Almost surely, 2^56616123 is an apocalyptic number.

56616123 is a deficient number, since it is larger than the sum of its proper divisors (18872045).

56616123 is a wasteful number, since it uses less digits than its factorization.

56616123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872044.

The product of its digits is 6480, while the sum is 30.

The square root of 56616123 is about 7524.3686113853. The cubic root of 56616123 is about 383.9842183727.

Adding to 56616123 its reverse (32161665), we get a palindrome (88777788).

The spelling of 56616123 in words is "fifty-six million, six hundred sixteen thousand, one hundred twenty-three".