52575570 has 48 divisors (see below), whose sum is σ = 138752640. Its totient is φ = 13809312.

The previous prime is 52575569. The next prime is 52575583. The reversal of 52575570 is 7557525.

52575570 is a `hidden beast` number, since 52 + 57 + 557 + 0 = 666.

It is a Curzon 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, 1671 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (2890680).

Almost surely, 2^52575570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52575570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69376320).

52575570 is an abundant number, since it is smaller than the sum of its proper divisors (86177070).

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

52575570 is a wasteful number, since it uses less digits than its factorization.

52575570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 52575570 is about 7250.9013232839. The cubic root of 52575570 is about 374.6231948411.

It can be divided in two parts, 525755 and 70, that added together give a triangular number (525825 = T₁₀₂₅).

The spelling of 52575570 in words is "fifty-two million, five hundred seventy-five thousand, five hundred seventy".