56611278572 has 24 divisors (see below), whose sum is σ = 104228950560. Its totient is φ = 26868896640.

The previous prime is 56611278571. The next prime is 56611278593. The reversal of 56611278572 is 27587211665.

It is a self number, because there is not a number n which added to its sum of digits gives 56611278572.

It is not an unprimeable number, because it can be changed into a prime (56611278571) 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, 4658672 + ... + 4670807.

It is an arithmetic number, because the mean of its divisors is an integer number (4342872940).

Almost surely, 2^56611278572 is an apocalyptic number.

It is an amenable number.

56611278572 is a deficient number, since it is larger than the sum of its proper divisors (47617671988).

56611278572 is a wasteful number, since it uses less digits than its factorization.

56611278572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329561 (or 9329559 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The spelling of 56611278572 in words is "fifty-six billion, six hundred eleven million, two hundred seventy-eight thousand, five hundred seventy-two".