55205150252 has 24 divisors (see below), whose sum is σ = 115210749696. Its totient is φ = 22630682448.

The previous prime is 55205150251. The next prime is 55205150257. The reversal of 55205150252 is 25205150255.

It is a super-2 number, since 2×55205150252² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55205150251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42860498 + ... + 42861785.

It is an arithmetic number, because the mean of its divisors is an integer number (4800447904).

Almost surely, 2^55205150252 is an apocalyptic number.

It is an amenable number.

55205150252 is an abundant number, since it is smaller than the sum of its proper divisors (60005599444).

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

55205150252 is a wasteful number, since it uses less digits than its factorization.

55205150252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85722317 (or 85722315 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 55205150252 in words is "fifty-five billion, two hundred five million, one hundred fifty thousand, two hundred fifty-two".