52137822 has 16 divisors (see below), whose sum is σ = 113755392. Its totient is φ = 15799320.

The previous prime is 52137821. The next prime is 52137829. The reversal of 52137822 is 22873125.

It is a self number, because there is not a number n which added to its sum of digits gives 52137822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52137821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394918 + ... + 395049.

It is an arithmetic number, because the mean of its divisors is an integer number (7109712).

Almost surely, 2^52137822 is an apocalyptic number.

52137822 is an abundant number, since it is smaller than the sum of its proper divisors (61617570).

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

52137822 is a wasteful number, since it uses less digits than its factorization.

52137822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789983.

The product of its digits is 6720, while the sum is 30.

The square root of 52137822 is about 7220.6524635936. The cubic root of 52137822 is about 373.5805825676.

The spelling of 52137822 in words is "fifty-two million, one hundred thirty-seven thousand, eight hundred twenty-two".