53087888 has 20 divisors (see below), whose sum is σ = 117552000. Its totient is φ = 22751904.

The previous prime is 53087869. The next prime is 53087897. The reversal of 53087888 is 88878035.

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, 236888 + ... + 237111.

It is an arithmetic number, because the mean of its divisors is an integer number (5877600).

Almost surely, 2^53087888 is an apocalyptic number.

It is an amenable number.

53087888 is an abundant number, since it is smaller than the sum of its proper divisors (64464112).

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

53087888 is a wasteful number, since it uses less digits than its factorization.

53087888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474014 (or 474008 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 53087888 is about 7286.1435615832. The cubic root of 53087888 is about 375.8360912259.

The spelling of 53087888 in words is "fifty-three million, eighty-seven thousand, eight hundred eighty-eight".