55030250055 has 24 divisors (see below), whose sum is σ = 96780476016. Its totient is φ = 26681332480.

The previous prime is 55030250021. The next prime is 55030250059. The reversal of 55030250055 is 55005203055.

55030250055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55030250055 - 2⁶ = 55030249991 is a prime.

It is a super-2 number, since 2×55030250055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030250059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15158034 + ... + 15161663.

It is an arithmetic number, because the mean of its divisors is an integer number (4032519834).

Almost surely, 2^55030250055 is an apocalyptic number.

55030250055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55030250055 is a deficient number, since it is larger than the sum of its proper divisors (41750225961).

55030250055 is a wasteful number, since it uses less digits than its factorization.

55030250055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30319727 (or 30319716 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 55030250055 in words is "fifty-five billion, thirty million, two hundred fifty thousand, fifty-five".