56770072281 has 24 divisors (see below), whose sum is σ = 88325729856. Its totient is φ = 34928811360.

The previous prime is 56770072231. The next prime is 56770072283. The reversal of 56770072281 is 18227007765.

56770072281 is a `hidden beast` number, since 567 + 7 + 0 + 0 + 7 + 2 + 2 + 81 = 666.

It is not a de Polignac number, because 56770072281 - 2⁶ = 56770072217 is a prime.

It is a super-2 number, since 2×56770072281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56770072283) 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, 614746 + ... + 701036.

It is an arithmetic number, because the mean of its divisors is an integer number (3680238744).

Almost surely, 2^56770072281 is an apocalyptic number.

It is an amenable number.

56770072281 is a deficient number, since it is larger than the sum of its proper divisors (31555657575).

56770072281 is a wasteful number, since it uses less digits than its factorization.

56770072281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91933 (or 91930 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 56770072281 in words is "fifty-six billion, seven hundred seventy million, seventy-two thousand, two hundred eighty-one".