56844513 has 24 divisors (see below), whose sum is σ = 90118080. Its totient is φ = 34241760.

The previous prime is 56844511. The next prime is 56844539. The reversal of 56844513 is 31544865.

It is a happy number.

56844513 is a `hidden beast` number, since 568 + 44 + 51 + 3 = 666.

It is not a de Polignac number, because 56844513 - 2¹ = 56844511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56844511) 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, 15468 + ... + 18786.

It is an arithmetic number, because the mean of its divisors is an integer number (3754920).

Almost surely, 2^56844513 is an apocalyptic number.

It is an amenable number.

56844513 is a deficient number, since it is larger than the sum of its proper divisors (33273567).

56844513 is a wasteful number, since it uses less digits than its factorization.

56844513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3506 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 56844513 is about 7539.5300251408. The cubic root of 56844513 is about 384.4998576729.

The spelling of 56844513 in words is "fifty-six million, eight hundred forty-four thousand, five hundred thirteen".