53631660 has 48 divisors (see below), whose sum is σ = 150750432. Its totient is φ = 14246400.

The previous prime is 53631659. The next prime is 53631673. The reversal of 53631660 is 6613635.

53631660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15270 + ... + 18450.

It is an arithmetic number, because the mean of its divisors is an integer number (3140634).

Almost surely, 2^53631660 is an apocalyptic number.

It is an amenable number.

53631660 is an abundant number, since it is smaller than the sum of its proper divisors (97118772).

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

53631660 is a wasteful number, since it uses less digits than its factorization.

53631660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 53631660 is about 7323.3639811223. The cubic root of 53631660 is about 377.1149473476.

The spelling of 53631660 in words is "fifty-three million, six hundred thirty-one thousand, six hundred sixty".