53153568 has 72 divisors (see below), whose sum is σ = 162794268. Its totient is φ = 16353792.

The previous prime is 53153557. The next prime is 53153603. The reversal of 53153568 is 86535135.

It can be written as a sum of positive squares in 2 ways, for example, as 52012944 + 1140624 = 7212^2 + 1068^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×53153568² = 5650603582261248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3355 + ... + 10842.

Almost surely, 2^53153568 is an apocalyptic number.

It is an amenable number.

53153568 is an abundant number, since it is smaller than the sum of its proper divisors (109640700).

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

53153568 is a wasteful number, since it uses less digits than its factorization.

53153568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226 (or 14215 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53153568 is about 7290.6493537956. The cubic root of 53153568 is about 375.9910213640.

The spelling of 53153568 in words is "fifty-three million, one hundred fifty-three thousand, five hundred sixty-eight".