56058309 has 12 divisors (see below), whose sum is σ = 81399552. Its totient is φ = 37175400.

The previous prime is 56058281. The next prime is 56058313. The reversal of 56058309 is 90385065.

It is not a de Polignac number, because 56058309 - 2¹⁶ = 55992773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56058349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14587 + ... + 18024.

It is an arithmetic number, because the mean of its divisors is an integer number (6783296).

Almost surely, 2^56058309 is an apocalyptic number.

It is an amenable number.

56058309 is a deficient number, since it is larger than the sum of its proper divisors (25341243).

56058309 is a wasteful number, since it uses less digits than its factorization.

56058309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808 (or 32805 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 56058309 is about 7487.2096938713. The cubic root of 56058309 is about 382.7189775227.

The spelling of 56058309 in words is "fifty-six million, fifty-eight thousand, three hundred nine".