53660994 has 32 divisors (see below), whose sum is σ = 109287360. Its totient is φ = 17562432.

The previous prime is 53660983. The next prime is 53661011. The reversal of 53660994 is 49906635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137752 + ... + 138140.

It is an arithmetic number, because the mean of its divisors is an integer number (3415230).

Almost surely, 2^53660994 is an apocalyptic number.

53660994 is an abundant number, since it is smaller than the sum of its proper divisors (55626366).

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

53660994 is a wasteful number, since it uses less digits than its factorization.

53660994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 53660994 is about 7325.3664754741. The cubic root of 53660994 is about 377.1836895397.

The spelling of 53660994 in words is "fifty-three million, six hundred sixty thousand, nine hundred ninety-four".