55459180 has 36 divisors (see below), whose sum is σ = 135481248. Its totient is φ = 19014240.

The previous prime is 55459171. The next prime is 55459181. The reversal of 55459180 is 8195455.

It is not an unprimeable number, because it can be changed into a prime (55459181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27316 + ... + 29275.

It is an arithmetic number, because the mean of its divisors is an integer number (3763368).

Almost surely, 2^55459180 is an apocalyptic number.

It is an amenable number.

55459180 is an abundant number, since it is smaller than the sum of its proper divisors (80022068).

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

55459180 is a wasteful number, since it uses less digits than its factorization.

55459180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56614 (or 56605 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 55459180 is about 7447.0920499212. The cubic root of 55459180 is about 381.3506415305.

The spelling of 55459180 in words is "fifty-five million, four hundred fifty-nine thousand, one hundred eighty".