53680518 has 24 divisors (see below), whose sum is σ = 116511408. Its totient is φ = 17862192.

The previous prime is 53680513. The next prime is 53680519. The reversal of 53680518 is 81508635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53680513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9471 + ... + 14037.

It is an arithmetic number, because the mean of its divisors is an integer number (4854642).

Almost surely, 2^53680518 is an apocalyptic number.

53680518 is an abundant number, since it is smaller than the sum of its proper divisors (62830890).

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

53680518 is a wasteful number, since it uses less digits than its factorization.

53680518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 53680518 is about 7326.6989838535. The cubic root of 53680518 is about 377.2294287932.

The spelling of 53680518 in words is "fifty-three million, six hundred eighty thousand, five hundred eighteen".