55525277525500 has 96 divisors (see below), whose sum is σ = 122526004386240. Its totient is φ = 21979594137600.

The previous prime is 55525277525437. The next prime is 55525277525503. The reversal of 55525277525500 is 552577252555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525277525503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893678436 + ... + 893740564.

It is an arithmetic number, because the mean of its divisors is an integer number (1276312545690).

Almost surely, 2^{55525277525500} is an apocalyptic number.

55525277525500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55525277525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61263002193120).

55525277525500 is an abundant number, since it is smaller than the sum of its proper divisors (67000726860740).

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

55525277525500 is a wasteful number, since it uses less digits than its factorization.

55525277525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80672 (or 80660 counting only the distinct ones).

The product of its (nonzero) digits is 30625000, while the sum is 55.

The spelling of 55525277525500 in words is "fifty-five trillion, five hundred twenty-five billion, two hundred seventy-seven million, five hundred twenty-five thousand, five hundred".