55943180 has 12 divisors (see below), whose sum is σ = 117480720. Its totient is φ = 22377264.

The previous prime is 55943179. The next prime is 55943203. The reversal of 55943180 is 8134955.

It is a self number, because there is not a number n which added to its sum of digits gives 55943180.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398560 + ... + 1398599.

It is an arithmetic number, because the mean of its divisors is an integer number (9790060).

Almost surely, 2^55943180 is an apocalyptic number.

It is an amenable number.

55943180 is an abundant number, since it is smaller than the sum of its proper divisors (61537540).

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

55943180 is a wasteful number, since it uses less digits than its factorization.

55943180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797168 (or 2797166 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 55943180 is about 7479.5173641085. The cubic root of 55943180 is about 382.4567966355.

The spelling of 55943180 in words is "fifty-five million, nine hundred forty-three thousand, one hundred eighty".