52102318 has 4 divisors (see below), whose sum is σ = 78153480. Its totient is φ = 26051158.

The previous prime is 52102307. The next prime is 52102319. The reversal of 52102318 is 81320125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52102319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13025578 + ... + 13025581.

It is an arithmetic number, because the mean of its divisors is an integer number (19538370).

Almost surely, 2^52102318 is an apocalyptic number.

52102318 is a deficient number, since it is larger than the sum of its proper divisors (26051162).

52102318 is a wasteful number, since it uses less digits than its factorization.

52102318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26051161.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52102318 is about 7218.1935413232. The cubic root of 52102318 is about 373.4957649546.

The spelling of 52102318 in words is "fifty-two million, one hundred two thousand, three hundred eighteen".