56771100624 has 80 divisors (see below), whose sum is σ = 167821008768. Its totient is φ = 16199886336.

The previous prime is 56771100613. The next prime is 56771100689. The reversal of 56771100624 is 42600117765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161794 + ... + 373790.

Almost surely, 2^56771100624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56771100624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83910504384).

56771100624 is an abundant number, since it is smaller than the sum of its proper divisors (111049908144).

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

56771100624 is a wasteful number, since it uses less digits than its factorization.

56771100624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212812 (or 212806 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 56771100624 in words is "fifty-six billion, seven hundred seventy-one million, one hundred thousand, six hundred twenty-four".