55818522784 has 24 divisors (see below), whose sum is σ = 109955730528. Its totient is φ = 27893257920.

The previous prime is 55818522731. The next prime is 55818522847. The reversal of 55818522784 is 48722581855.

It is a super-2 number, since 2×55818522784² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443332 + ... + 555139.

It is an arithmetic number, because the mean of its divisors is an integer number (4581488772).

Almost surely, 2^55818522784 is an apocalyptic number.

It is an amenable number.

55818522784 is a deficient number, since it is larger than the sum of its proper divisors (54137207744).

55818522784 is a wasteful number, since it uses less digits than its factorization.

55818522784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000228 (or 1000220 counting only the distinct ones).

The product of its digits is 7168000, while the sum is 55.

The spelling of 55818522784 in words is "fifty-five billion, eight hundred eighteen million, five hundred twenty-two thousand, seven hundred eighty-four".