53869488 has 20 divisors (see below), whose sum is σ = 139162968. Its totient is φ = 17956480.

The previous prime is 53869469. The next prime is 53869489. The reversal of 53869488 is 88496835.

It is a self number, because there is not a number n which added to its sum of digits gives 53869488.

It is not an unprimeable number, because it can be changed into a prime (53869489) 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, 561093 + ... + 561188.

Almost surely, 2^53869488 is an apocalyptic number.

It is an amenable number.

53869488 is an abundant number, since it is smaller than the sum of its proper divisors (85293480).

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

53869488 is a wasteful number, since it uses less digits than its factorization.

53869488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122292 (or 1122286 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 53869488 is about 7339.5836394172. The cubic root of 53869488 is about 377.6715603985.

The spelling of 53869488 in words is "fifty-three million, eight hundred sixty-nine thousand, four hundred eighty-eight".