53495553 has 16 divisors (see below), whose sum is σ = 74207232. Its totient is φ = 34242000.

The previous prime is 53495551. The next prime is 53495573. The reversal of 53495553 is 35559435.

It is not a de Polignac number, because 53495553 - 2¹ = 53495551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53495551) 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, 9988 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (4637952).

Almost surely, 2^53495553 is an apocalyptic number.

It is an amenable number.

53495553 is a deficient number, since it is larger than the sum of its proper divisors (20711679).

53495553 is a wasteful number, since it uses less digits than its factorization.

53495553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its digits is 202500, while the sum is 39.

The square root of 53495553 is about 7314.0654221848. The cubic root of 53495553 is about 376.7956616514.

The spelling of 53495553 in words is "fifty-three million, four hundred ninety-five thousand, five hundred fifty-three".