56701551612 has 24 divisors (see below), whose sum is σ = 132318622800. Its totient is φ = 18898374016.

The previous prime is 56701551587. The next prime is 56701551637. The reversal of 56701551612 is 21615510765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56701551587) and next prime (56701551637).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155787 + ... + 371042.

It is an arithmetic number, because the mean of its divisors is an integer number (5513275950).

Almost surely, 2^56701551612 is an apocalyptic number.

It is an amenable number.

56701551612 is an abundant number, since it is smaller than the sum of its proper divisors (75617071188).

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

56701551612 is a wasteful number, since it uses less digits than its factorization.

56701551612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535805 (or 535803 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 56701551612 in words is "fifty-six billion, seven hundred one million, five hundred fifty-one thousand, six hundred twelve".