55775201755122 has 48 divisors (see below), whose sum is σ = 121067940553560. Its totient is φ = 18557656621056.

The previous prime is 55775201755093. The next prime is 55775201755193. The reversal of 55775201755122 is 22155710257755.

55775201755122 is a `hidden beast` number, since 5 + 5 + 7 + 7 + 52 + 0 + 1 + 75 + 512 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32959781405721 + 22815420349401 = 5741061^2 + 4776549^2 .

It is a super-2 number, since 2×55775201755122² (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 23 ways as a sum of consecutive naturals, for example, 24908068 + ... + 27054800.

Almost surely, 2^{55775201755122} is an apocalyptic number.

55775201755122 is an abundant number, since it is smaller than the sum of its proper divisors (65292738798438).

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

55775201755122 is a wasteful number, since it uses less digits than its factorization.

55775201755122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149387 (or 2149384 counting only the distinct ones).

The product of its (nonzero) digits is 8575000, while the sum is 54.

The spelling of 55775201755122 in words is "fifty-five trillion, seven hundred seventy-five billion, two hundred one million, seven hundred fifty-five thousand, one hundred twenty-two".