55055050572 has 24 divisors (see below), whose sum is σ = 129022759600. Its totient is φ = 18271544256.

The previous prime is 55055050549. The next prime is 55055050597. The reversal of 55055050572 is 27505055055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55055050572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10014547 + ... + 10020042.

Almost surely, 2^55055050572 is an apocalyptic number.

It is an amenable number.

55055050572 is an abundant number, since it is smaller than the sum of its proper divisors (73967709028).

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

55055050572 is a wasteful number, since it uses less digits than its factorization.

55055050572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20034825 (or 20034823 counting only the distinct ones).

The product of its (nonzero) digits is 218750, while the sum is 39.

The spelling of 55055050572 in words is "fifty-five billion, fifty-five million, fifty thousand, five hundred seventy-two".