53488985 has 16 divisors (see below), whose sum is σ = 70398720. Its totient is φ = 38691840.

The previous prime is 53488957. The next prime is 53488993. The reversal of 53488985 is 58988435.

It is a de Polignac number, because none of the positive numbers 2^k-53488985 is a prime.

It is a super-2 number, since 2×53488985² = 5722143032660450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8096 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 2^53488985 is an apocalyptic number.

53488985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53488985 is a deficient number, since it is larger than the sum of its proper divisors (16909735).

53488985 is a wasteful number, since it uses less digits than its factorization.

53488985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248.

The product of its digits is 1382400, while the sum is 50.

The square root of 53488985 is about 7313.6164105045. The cubic root of 53488985 is about 376.7802404619.

The spelling of 53488985 in words is "fifty-three million, four hundred eighty-eight thousand, nine hundred eighty-five".