55277805025028 has 24 divisors (see below), whose sum is σ = 102214712550720. Its totient is φ = 26084663638560.

The previous prime is 55277805024989. The next prime is 55277805025039. The reversal of 55277805025028 is 82052050877255.

It is a happy 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, 1382754803 + ... + 1382794778.

It is an arithmetic number, because the mean of its divisors is an integer number (4258946356280).

Almost surely, 2^{55277805025028} is an apocalyptic number.

It is an amenable number.

55277805025028 is a deficient number, since it is larger than the sum of its proper divisors (46936907525692).

55277805025028 is a wasteful number, since it uses less digits than its factorization.

55277805025028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765549867 (or 2765549865 counting only the distinct ones).

The product of its (nonzero) digits is 15680000, while the sum is 56.

The spelling of 55277805025028 in words is "fifty-five trillion, two hundred seventy-seven billion, eight hundred five million, twenty-five thousand, twenty-eight".