56423093 has 4 divisors (see below), whose sum is σ = 57799308. Its totient is φ = 55046880.

The previous prime is 56423089. The next prime is 56423137. The reversal of 56423093 is 39032465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39032465 = 5 ⋅7806493.

It can be written as a sum of positive squares in 2 ways, for example, as 14730244 + 41692849 = 3838^2 + 6457^2 .

It is a cyclic number.

It is not a de Polignac number, because 56423093 - 2² = 56423089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56423023) 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, 688046 + ... + 688127.

It is an arithmetic number, because the mean of its divisors is an integer number (14449827).

Almost surely, 2^56423093 is an apocalyptic number.

It is an amenable number.

56423093 is a deficient number, since it is larger than the sum of its proper divisors (1376215).

56423093 is a wasteful number, since it uses less digits than its factorization.

56423093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376214.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 56423093 is about 7511.5306695773. The cubic root of 56423093 is about 383.5473294536.

The spelling of 56423093 in words is "fifty-six million, four hundred twenty-three thousand, ninety-three".