52140190 has 16 divisors (see below), whose sum is σ = 99373392. Its totient is φ = 19629184.

The previous prime is 52140163. The next prime is 52140191. The reversal of 52140190 is 9104125.

It is a super-2 number, since 2×52140190² = 5437198826472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140191) 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, 153184 + ... + 153523.

It is an arithmetic number, because the mean of its divisors is an integer number (6210837).

Almost surely, 2^52140190 is an apocalyptic number.

52140190 is a deficient number, since it is larger than the sum of its proper divisors (47233202).

52140190 is a wasteful number, since it uses less digits than its factorization.

52140190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306731.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 52140190 is about 7220.8164358333. The cubic root of 52140190 is about 373.5862382534.

The spelling of 52140190 in words is "fifty-two million, one hundred forty thousand, one hundred ninety".