56083073581 has 16 divisors (see below), whose sum is σ = 58335056640. Its totient is φ = 53853024960.

The previous prime is 56083073567. The next prime is 56083073587. The reversal of 56083073581 is 18537038065.

It is a cyclic number.

It is not a de Polignac number, because 56083073581 - 2⁵ = 56083073549 is a prime.

It is a super-2 number, since 2×56083073581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56083073587) 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, 4607155 + ... + 4619311.

It is an arithmetic number, because the mean of its divisors is an integer number (3645941040).

Almost surely, 2^56083073581 is an apocalyptic number.

It is an amenable number.

56083073581 is a deficient number, since it is larger than the sum of its proper divisors (2251983059).

56083073581 is a wasteful number, since it uses less digits than its factorization.

56083073581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 56083073581 in words is "fifty-six billion, eighty-three million, seventy-three thousand, five hundred eighty-one".