55035021055 has 12 divisors (see below), whose sum is σ = 76824397080. Its totient is φ = 37738299984.

The previous prime is 55035021049. The next prime is 55035021061. The reversal of 55035021055 is 55012053055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55035021049) and next prime (55035021061).

It is not a de Polignac number, because 55035021055 - 2¹¹ = 55035019007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112316125 + ... + 112316614.

It is an arithmetic number, because the mean of its divisors is an integer number (6402033090).

Almost surely, 2^55035021055 is an apocalyptic number.

55035021055 is a deficient number, since it is larger than the sum of its proper divisors (21789376025).

55035021055 is a wasteful number, since it uses less digits than its factorization.

55035021055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224632758 (or 224632751 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55035021055 in words is "fifty-five billion, thirty-five million, twenty-one thousand, fifty-five".