52901586 has 96 divisors (see below), whose sum is σ = 132874560. Its totient is φ = 15676416.

The previous prime is 52901581. The next prime is 52901623. The reversal of 52901586 is 68510925.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52901586.

It is not an unprimeable number, because it can be changed into a prime (52901581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156810 + ... + 157146.

It is an arithmetic number, because the mean of its divisors is an integer number (1384110).

Almost surely, 2^52901586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52901586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66437280).

52901586 is an abundant number, since it is smaller than the sum of its proper divisors (79972974).

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

52901586 is a wasteful number, since it uses less digits than its factorization.

52901586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 52901586 is about 7273.3476474042. The cubic root of 52901586 is about 375.3959338166.

The spelling of 52901586 in words is "fifty-two million, nine hundred one thousand, five hundred eighty-six".