53489553 has 16 divisors (see below), whose sum is σ = 76937280. Its totient is φ = 32860224.

The previous prime is 53489537. The next prime is 53489587. The reversal of 53489553 is 35598435.

It is not a de Polignac number, because 53489553 - 2⁴ = 53489537 is a prime.

It is a super-2 number, since 2×53489553² = 5722264560279618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53489593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41050 + ... + 42332.

It is an arithmetic number, because the mean of its divisors is an integer number (4808580).

Almost surely, 2^53489553 is an apocalyptic number.

It is an amenable number.

53489553 is a deficient number, since it is larger than the sum of its proper divisors (23447727).

53489553 is a wasteful number, since it uses less digits than its factorization.

53489553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its digits is 324000, while the sum is 42.

The square root of 53489553 is about 7313.6552420797. The cubic root of 53489553 is about 376.7815741347.

The spelling of 53489553 in words is "fifty-three million, four hundred eighty-nine thousand, five hundred fifty-three".