55277757777824 has 24 divisors (see below), whose sum is σ = 112338669034368. Its totient is φ = 26747302150080.

The previous prime is 55277757777779. The next prime is 55277757777841. The reversal of 55277757777824 is 42877775777255.

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, 27861772082 + ... + 27861774065.

It is an arithmetic number, because the mean of its divisors is an integer number (4680777876432).

Almost surely, 2^{55277757777824} is an apocalyptic number.

It is an amenable number.

55277757777824 is an abundant number, since it is smaller than the sum of its proper divisors (57060911256544).

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

55277757777824 is a wasteful number, since it uses less digits than its factorization.

55277757777824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55723546188 (or 55723546180 counting only the distinct ones).

The product of its digits is 13176688000, while the sum is 80.

The spelling of 55277757777824 in words is "fifty-five trillion, two hundred seventy-seven billion, seven hundred fifty-seven million, seven hundred seventy-seven thousand, eight hundred twenty-four".