52140838 has 8 divisors (see below), whose sum is σ = 79313040. Its totient is φ = 25703160.

The previous prime is 52140833. The next prime is 52140841. The reversal of 52140838 is 83804125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183453 + ... + 183736.

It is an arithmetic number, because the mean of its divisors is an integer number (9914130).

Almost surely, 2^52140838 is an apocalyptic number.

52140838 is a deficient number, since it is larger than the sum of its proper divisors (27172202).

52140838 is a wasteful number, since it uses less digits than its factorization.

52140838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367262.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 52140838 is about 7220.8613059662. The cubic root of 52140838 is about 373.5877858944.

The spelling of 52140838 in words is "fifty-two million, one hundred forty thousand, eight hundred thirty-eight".