56287766132 has 12 divisors (see below), whose sum is σ = 106080790116. Its totient is φ = 25978968960.

The previous prime is 56287766111. The next prime is 56287766141. The reversal of 56287766132 is 23166778265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2800103056 + 53487663076 = 52916^2 + 231274^2 .

It is a super-2 number, since 2×56287766132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541228469 + ... + 541228572.

It is an arithmetic number, because the mean of its divisors is an integer number (8840065843).

Almost surely, 2^56287766132 is an apocalyptic number.

56287766132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56287766132 is a deficient number, since it is larger than the sum of its proper divisors (49793023984).

56287766132 is a wasteful number, since it uses less digits than its factorization.

56287766132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082457058 (or 1082457056 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The spelling of 56287766132 in words is "fifty-six billion, two hundred eighty-seven million, seven hundred sixty-six thousand, one hundred thirty-two".