53388760 has 16 divisors (see below), whose sum is σ = 120124800. Its totient is φ = 21355488.

The previous prime is 53388707. The next prime is 53388761. The reversal of 53388760 is 6788335.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1334719 = 53388760 / (5 + 3 + 3 + 8 + 8 + 7 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53388761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667320 + ... + 667399.

It is an arithmetic number, because the mean of its divisors is an integer number (7507800).

Almost surely, 2^53388760 is an apocalyptic number.

It is an amenable number.

53388760 is an abundant number, since it is smaller than the sum of its proper divisors (66736040).

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

53388760 is a wasteful number, since it uses less digits than its factorization.

53388760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334730 (or 1334726 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 53388760 is about 7306.7612524291. The cubic root of 53388760 is about 376.5447626328.

The spelling of 53388760 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred sixty".