53257488 has 20 divisors (see below), whose sum is σ = 137581968. Its totient is φ = 17752480.

The previous prime is 53257441. The next prime is 53257499. The reversal of 53257488 is 88475235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554718 + ... + 554813.

Almost surely, 2^53257488 is an apocalyptic number.

It is an amenable number.

53257488 is an abundant number, since it is smaller than the sum of its proper divisors (84324480).

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

53257488 is a wasteful number, since it uses less digits than its factorization.

53257488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109542 (or 1109536 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 53257488 is about 7297.7728109335. The cubic root of 53257488 is about 376.2358939241.

The spelling of 53257488 in words is "fifty-three million, two hundred fifty-seven thousand, four hundred eighty-eight".