52307190 has 144 divisors (see below), whose sum is σ = 155872080. Its totient is φ = 12130560.

The previous prime is 52307183. The next prime is 52307207. The reversal of 52307190 is 9170325.

It is a super-2 number, since 2×52307190² = 5472084251392200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 288900 + ... + 289080.

It is an arithmetic number, because the mean of its divisors is an integer number (1082445).

Almost surely, 2^52307190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52307190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77936040).

52307190 is an abundant number, since it is smaller than the sum of its proper divisors (103564890).

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

52307190 is a wasteful number, since it uses less digits than its factorization.

52307190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52307190 is about 7232.3709805291. The cubic root of 52307190 is about 373.9846667434.

The spelling of 52307190 in words is "fifty-two million, three hundred seven thousand, one hundred ninety".