53495568 has 120 divisors (see below), whose sum is σ = 173683328. Its totient is φ = 15054336.

The previous prime is 53495551. The next prime is 53495573. The reversal of 53495568 is 86559435.

53495568 is a `hidden beast` number, since 53 + 49 + 556 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73221 + ... + 73947.

Almost surely, 2^53495568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53495568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86841664).

53495568 is an abundant number, since it is smaller than the sum of its proper divisors (120187760).

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

53495568 is a wasteful number, since it uses less digits than its factorization.

53495568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 812 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 53495568 is about 7314.0664476063. The cubic root of 53495568 is about 376.7956968689.

The spelling of 53495568 in words is "fifty-three million, four hundred ninety-five thousand, five hundred sixty-eight".