56707066531 has 8 divisors (see below), whose sum is σ = 59840514000. Its totient is φ = 53588505600.

The previous prime is 56707066517. The next prime is 56707066543. The reversal of 56707066531 is 13566070765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56707066531 - 2¹¹ = 56707064483 is a prime.

It is a super-2 number, since 2×56707066531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56707066571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713806 + ... + 3729043.

It is an arithmetic number, because the mean of its divisors is an integer number (7480064250).

Almost surely, 2^56707066531 is an apocalyptic number.

56707066531 is a deficient number, since it is larger than the sum of its proper divisors (3133447469).

56707066531 is a wasteful number, since it uses less digits than its factorization.

56707066531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443269.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 56707066531 in words is "fifty-six billion, seven hundred seven million, sixty-six thousand, five hundred thirty-one".