53488864 has 48 divisors (see below), whose sum is σ = 123726960. Its totient is φ = 22440960.

The previous prime is 53488859. The next prime is 53488873. The reversal of 53488864 is 46888435.

It is a super-2 number, since 2×53488864² = 5722117144020992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (2577645).

Almost surely, 2^53488864 is an apocalyptic number.

It is an amenable number.

53488864 is an abundant number, since it is smaller than the sum of its proper divisors (70238096).

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

53488864 is a wasteful number, since it uses less digits than its factorization.

53488864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723 (or 11715 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 53488864 is about 7313.6081382584. The cubic root of 53488864 is about 376.7799563508.

It can be divided in two parts, 534 and 88864, that added together give a palindrome (89398).

The spelling of 53488864 in words is "fifty-three million, four hundred eighty-eight thousand, eight hundred sixty-four".