53183880 has 96 divisors (see below), whose sum is σ = 173847960. Its totient is φ = 14100480.

The previous prime is 53183813. The next prime is 53183891. The reversal of 53183880 is 8838135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31337604 + 21846276 = 5598^2 + 4674^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 86454 + ... + 87066.

Almost surely, 2^53183880 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 53183880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86923980).

53183880 is an abundant number, since it is smaller than the sum of its proper divisors (120664080).

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

53183880 is a wasteful number, since it uses less digits than its factorization.

53183880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 53183880 is about 7292.7278846807. The cubic root of 53183880 is about 376.0624801859.

The spelling of 53183880 in words is "fifty-three million, one hundred eighty-three thousand, eight hundred eighty".