55025555530 has 32 divisors (see below), whose sum is σ = 113737037760. Its totient is φ = 18956171520.

The previous prime is 55025555527. The next prime is 55025555591. The reversal of 55025555530 is 3555552055.

It is a happy number.

It is a super-2 number, since 2×55025555530² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13161919 + ... + 13166098.

It is an arithmetic number, because the mean of its divisors is an integer number (3554282430).

Almost surely, 2^55025555530 is an apocalyptic number.

55025555530 is an abundant number, since it is smaller than the sum of its proper divisors (58711482230).

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

55025555530 is a wasteful number, since it uses less digits than its factorization.

55025555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26328054.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 55025555530 in words is "fifty-five billion, twenty-five million, five hundred fifty-five thousand, five hundred thirty".