53499180 has 144 divisors (see below), whose sum is σ = 180182016. Its totient is φ = 11813760.

The previous prime is 53499167. The next prime is 53499223. The reversal of 53499180 is 8199435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90847 + ... + 91433.

It is an arithmetic number, because the mean of its divisors is an integer number (1251264).

Almost surely, 2^53499180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53499180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90091008).

53499180 is an abundant number, since it is smaller than the sum of its proper divisors (126682836).

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

53499180 is a wasteful number, since it uses less digits than its factorization.

53499180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 53499180 is about 7314.3133649031. The cubic root of 53499180 is about 376.8041770445.

The spelling of 53499180 in words is "fifty-three million, four hundred ninety-nine thousand, one hundred eighty".