56344581 has 6 divisors (see below), whose sum is σ = 81386630. Its totient is φ = 37563048.

The previous prime is 56344571. The next prime is 56344601. The reversal of 56344581 is 18544365.

It is a happy number.

56344581 is a `hidden beast` number, since 563 + 44 + 58 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46703556 + 9641025 = 6834^2 + 3105^2 .

It is not a de Polignac number, because 56344581 - 2⁶ = 56344517 is a prime.

It is a super-2 number, since 2×56344581² = 6349423616131122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56344571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3130246 + ... + 3130263.

Almost surely, 2^56344581 is an apocalyptic number.

It is an amenable number.

56344581 is a deficient number, since it is larger than the sum of its proper divisors (25042049).

56344581 is a wasteful number, since it uses less digits than its factorization.

56344581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260515 (or 6260512 counting only the distinct ones).

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

The square root of 56344581 is about 7506.3027516881. The cubic root of 56344581 is about 383.3693465010.

The spelling of 56344581 in words is "fifty-six million, three hundred forty-four thousand, five hundred eighty-one".