53525680 has 120 divisors (see below), whose sum is σ = 139691952. Its totient is φ = 19049472.

The previous prime is 53525653. The next prime is 53525699. The reversal of 53525680 is 8652535.

It is a happy 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, 500187 + ... + 500293.

Almost surely, 2^53525680 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 53525680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69845976).

53525680 is an abundant number, since it is smaller than the sum of its proper divisors (86166272).

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

53525680 is a wasteful number, since it uses less digits than its factorization.

53525680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 53525680 is about 7316.1246572212. The cubic root of 53525680 is about 376.8663815023.

The spelling of 53525680 in words is "fifty-three million, five hundred twenty-five thousand, six hundred eighty".