55271180 has 12 divisors (see below), whose sum is σ = 116069520. Its totient is φ = 22108464.

The previous prime is 55271179. The next prime is 55271189. The reversal of 55271180 is 8117255.

It is not an unprimeable number, because it can be changed into a prime (55271189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381760 + ... + 1381799.

It is an arithmetic number, because the mean of its divisors is an integer number (9672460).

Almost surely, 2^55271180 is an apocalyptic number.

It is an amenable number.

55271180 is an abundant number, since it is smaller than the sum of its proper divisors (60798340).

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

55271180 is a wasteful number, since it uses less digits than its factorization.

55271180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763568 (or 2763566 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 55271180 is about 7434.4589581220. The cubic root of 55271180 is about 380.9192426482.

The spelling of 55271180 in words is "fifty-five million, two hundred seventy-one thousand, one hundred eighty".