55818306738570 has 16 divisors (see below), whose sum is σ = 133963936172640. Its totient is φ = 14884881796944.

The previous prime is 55818306738553. The next prime is 55818306738581. The reversal of 55818306738570 is 7583760381855.

It is a super-2 number, since 2×55818306738570² (a number of 28 digits) contains 22 as substring.

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, 930305112280 + ... + 930305112339.

It is an arithmetic number, because the mean of its divisors is an integer number (8372746010790).

Almost surely, 2^{55818306738570} is an apocalyptic number.

55818306738570 is an abundant number, since it is smaller than the sum of its proper divisors (78145629434070).

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

55818306738570 is a wasteful number, since it uses less digits than its factorization.

55818306738570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860610224629.

The product of its (nonzero) digits is 169344000, while the sum is 66.

The spelling of 55818306738570 in words is "fifty-five trillion, eight hundred eighteen billion, three hundred six million, seven hundred thirty-eight thousand, five hundred seventy".