52150018 has 8 divisors (see below), whose sum is σ = 78333948. Its totient is φ = 26038704.

The previous prime is 52149989. The next prime is 52150031. The reversal of 52150018 is 81005125.

It can be written as a sum of positive squares in 2 ways, for example, as 51222649 + 927369 = 7157^2 + 963^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16321 + ... + 19252.

Almost surely, 2^52150018 is an apocalyptic number.

52150018 is a deficient number, since it is larger than the sum of its proper divisors (26183930).

52150018 is a wasteful number, since it uses less digits than its factorization.

52150018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36308.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 52150018 is about 7221.4969362314. The cubic root of 52150018 is about 373.6097094304.

The spelling of 52150018 in words is "fifty-two million, one hundred fifty thousand, eighteen".