52225686 has 48 divisors (see below), whose sum is σ = 119340000. Its totient is φ = 16473600.

The previous prime is 52225651. The next prime is 52225687. The reversal of 52225686 is 68652225.

52225686 is a `hidden beast` number, since 522 + 2 + 56 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 52225686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52225687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41190 + ... + 42438.

It is an arithmetic number, because the mean of its divisors is an integer number (2486250).

Almost surely, 2^52225686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52225686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59670000).

52225686 is an abundant number, since it is smaller than the sum of its proper divisors (67114314).

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

52225686 is a wasteful number, since it uses less digits than its factorization.

52225686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1378 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 52225686 is about 7226.7341171514. The cubic root of 52225686 is about 373.7903206650.

The spelling of 52225686 in words is "fifty-two million, two hundred twenty-five thousand, six hundred eighty-six".