56542923 has 6 divisors (see below), whose sum is σ = 81673124. Its totient is φ = 37695276.

The previous prime is 56542921. The next prime is 56542933. The reversal of 56542923 is 32924565.

56542923 is a `hidden beast` number, since 565 + 4 + 2 + 92 + 3 = 666.

It is not a de Polignac number, because 56542923 - 2¹ = 56542921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56542921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3141265 + ... + 3141282.

Almost surely, 2^56542923 is an apocalyptic number.

56542923 is a deficient number, since it is larger than the sum of its proper divisors (25130201).

56542923 is a wasteful number, since it uses less digits than its factorization.

56542923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282553 (or 6282550 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56542923 is about 7519.5028426087. The cubic root of 56542923 is about 383.8186603088.

The spelling of 56542923 in words is "fifty-six million, five hundred forty-two thousand, nine hundred twenty-three".