56539093 has 24 divisors (see below), whose sum is σ = 65759400. Its totient is φ = 48307200.

The previous prime is 56539057. The next prime is 56539097. The reversal of 56539093 is 39093565.

It can be written as a sum of positive squares in 12 ways, for example, as 2634129 + 53904964 = 1623^2 + 7342^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56539093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56539097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379383 + ... + 379531.

It is an arithmetic number, because the mean of its divisors is an integer number (2739975).

Almost surely, 2^56539093 is an apocalyptic number.

It is an amenable number.

56539093 is a deficient number, since it is larger than the sum of its proper divisors (9220307).

56539093 is a wasteful number, since it uses less digits than its factorization.

56539093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 40.

The square root of 56539093 is about 7519.2481672040. The cubic root of 56539093 is about 383.8099939802.

The spelling of 56539093 in words is "fifty-six million, five hundred thirty-nine thousand, ninety-three".