53660418 has 16 divisors (see below), whose sum is σ = 122652480. Its totient is φ = 15331536.

The previous prime is 53660401. The next prime is 53660429. The reversal of 53660418 is 81406635.

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 7 ways as a sum of consecutive naturals, for example, 638773 + ... + 638856.

It is an arithmetic number, because the mean of its divisors is an integer number (7665780).

Almost surely, 2^53660418 is an apocalyptic number.

53660418 is an abundant number, since it is smaller than the sum of its proper divisors (68992062).

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

53660418 is a wasteful number, since it uses less digits than its factorization.

53660418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277641.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53660418 is about 7325.3271599294. The cubic root of 53660418 is about 377.1823399649.

The spelling of 53660418 in words is "fifty-three million, six hundred sixty thousand, four hundred eighteen".