56809037 has 8 divisors (see below), whose sum is σ = 57365376. Its totient is φ = 56255472.

The previous prime is 56809021. The next prime is 56809073. The reversal of 56809037 is 73090865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56809037 - 2⁴ = 56809021 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 (56809537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76088 + ... + 76830.

It is an arithmetic number, because the mean of its divisors is an integer number (7170672).

Almost surely, 2^56809037 is an apocalyptic number.

It is an amenable number.

56809037 is a deficient number, since it is larger than the sum of its proper divisors (556339).

56809037 is a wasteful number, since it uses less digits than its factorization.

56809037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 56809037 is about 7537.1769914206. The cubic root of 56809037 is about 384.4198537297.

The spelling of 56809037 in words is "fifty-six million, eight hundred nine thousand, thirty-seven".