53623880 has 32 divisors (see below), whose sum is σ = 122637240. Its totient is φ = 21096960.

The previous prime is 53623873. The next prime is 53623883. The reversal of 53623880 is 8832635.

It can be written as a sum of positive squares in 4 ways, for example, as 26977636 + 26646244 = 5194^2 + 5162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53623880.

It is not an unprimeable number, because it can be changed into a prime (53623883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8549 + ... + 13428.

Almost surely, 2^53623880 is an apocalyptic number.

It is an amenable number.

53623880 is an abundant number, since it is smaller than the sum of its proper divisors (69013360).

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

53623880 is a wasteful number, since it uses less digits than its factorization.

53623880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22049 (or 22045 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 53623880 is about 7322.8327852000. The cubic root of 53623880 is about 377.0967112524.

The spelling of 53623880 in words is "fifty-three million, six hundred twenty-three thousand, eight hundred eighty".