53125170 has 128 divisors (see below), whose sum is σ = 161243136. Its totient is φ = 10914816.

The previous prime is 53125157. The next prime is 53125199. The reversal of 53125170 is 7152135.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53125170.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81787 + ... + 82433.

It is an arithmetic number, because the mean of its divisors is an integer number (1259712).

Almost surely, 2^53125170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53125170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80621568).

53125170 is an abundant number, since it is smaller than the sum of its proper divisors (108117966).

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

53125170 is a wasteful number, since it uses less digits than its factorization.

53125170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 53125170 is about 7288.7015304511. The cubic root of 53125170 is about 375.9240500360.

The spelling of 53125170 in words is "fifty-three million, one hundred twenty-five thousand, one hundred seventy".