53388860 has 48 divisors (see below), whose sum is σ = 134883840. Its totient is φ = 17340480.

The previous prime is 53388821. The next prime is 53388887. The reversal of 53388860 is 6888335.

It is a congruent number.

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, 7376 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (2810080).

Almost surely, 2^53388860 is an apocalyptic number.

It is an amenable number.

53388860 is an abundant number, since it is smaller than the sum of its proper divisors (81494980).

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

53388860 is a wasteful number, since it uses less digits than its factorization.

53388860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 53388860 is about 7306.7680954031. The cubic root of 53388860 is about 376.5449977288.

The spelling of 53388860 in words is "fifty-three million, three hundred eighty-eight thousand, eight hundred sixty".