55220325150 has 48 divisors (see below), whose sum is σ = 137663474688. Its totient is φ = 14648316000.

The previous prime is 55220325137. The next prime is 55220325197. The reversal of 55220325150 is 5152302255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935056 + ... + 992355.

It is an arithmetic number, because the mean of its divisors is an integer number (2867989056).

Almost surely, 2^55220325150 is an apocalyptic number.

55220325150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55220325150 is an abundant number, since it is smaller than the sum of its proper divisors (82443149538).

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

55220325150 is a wasteful number, since it uses less digits than its factorization.

55220325150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927617 (or 1927612 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 55220325150 in words is "fifty-five billion, two hundred twenty million, three hundred twenty-five thousand, one hundred fifty".