55257652000 has 96 divisors (see below), whose sum is σ = 136602595584. Its totient is φ = 21967200000.

The previous prime is 55257651997. The next prime is 55257652039. The reversal of 55257652000 is 25675255.

It is a happy number.

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, 609625 + ... + 694375.

It is an arithmetic number, because the mean of its divisors is an integer number (1422943704).

Almost surely, 2^55257652000 is an apocalyptic number.

55257652000 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 55257652000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68301297792).

55257652000 is an abundant number, since it is smaller than the sum of its proper divisors (81344943584).

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

55257652000 is a wasteful number, since it uses less digits than its factorization.

55257652000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84939 (or 84921 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 55257652000 in words is "fifty-five billion, two hundred fifty-seven million, six hundred fifty-two thousand".