52697580 has 72 divisors (see below), whose sum is σ = 159807312. Its totient is φ = 12969216.

The previous prime is 52697563. The next prime is 52697591. The reversal of 52697580 is 8579625.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 7542 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (2219546).

Almost surely, 2^52697580 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 52697580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79903656).

52697580 is an abundant number, since it is smaller than the sum of its proper divisors (107109732).

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

52697580 is a wasteful number, since it uses less digits than its factorization.

52697580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235 (or 5220 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 52697580 is about 7259.3098845551. The cubic root of 52697580 is about 374.9127619292.

The spelling of 52697580 in words is "fifty-two million, six hundred ninety-seven thousand, five hundred eighty".