56913837 has 16 divisors (see below), whose sum is σ = 76758528. Its totient is φ = 37509120.

The previous prime is 56913833. The next prime is 56913839. The reversal of 56913837 is 73831965.

It is not a de Polignac number, because 56913837 - 2² = 56913833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56913833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161053 + ... + 161405.

It is an arithmetic number, because the mean of its divisors is an integer number (4797408).

Almost surely, 2^56913837 is an apocalyptic number.

It is an amenable number.

56913837 is a deficient number, since it is larger than the sum of its proper divisors (19844691).

56913837 is a wasteful number, since it uses less digits than its factorization.

56913837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 136080, while the sum is 42.

The square root of 56913837 is about 7544.1259931154. The cubic root of 56913837 is about 384.6560981404.

The spelling of 56913837 in words is "fifty-six million, nine hundred thirteen thousand, eight hundred thirty-seven".