56561224123632 has 20 divisors (see below), whose sum is σ = 146116495652840. Its totient is φ = 18853741374528.

The previous prime is 56561224123603. The next prime is 56561224123639. The reversal of 56561224123632 is 23632142216565.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1178358835909 = 56561224123632 / (5 + 6 + 5 + 6 + 1 + 2 + 2 + 4 + 1 + 2 + 3 + 6 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56561224123639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589179417907 + ... + 589179418002.

It is an arithmetic number, because the mean of its divisors is an integer number (7305824782642).

Almost surely, 2^{56561224123632} is an apocalyptic number.

It is an amenable number.

56561224123632 is an abundant number, since it is smaller than the sum of its proper divisors (89555271529208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56561224123632 is a wasteful number, since it uses less digits than its factorization.

56561224123632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178358835920 (or 1178358835914 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 56561224123632 in words is "fifty-six trillion, five hundred sixty-one billion, two hundred twenty-four million, one hundred twenty-three thousand, six hundred thirty-two".