52456018 has 4 divisors (see below), whose sum is σ = 78684030. Its totient is φ = 26228008.

The previous prime is 52455971. The next prime is 52456021. The reversal of 52456018 is 81065425.

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

It can be written as a sum of positive squares in only one way, i.e., 43256929 + 9199089 = 6577^2 + 3033^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13114003 + ... + 13114006.

Almost surely, 2^52456018 is an apocalyptic number.

52456018 is a deficient number, since it is larger than the sum of its proper divisors (26228012).

52456018 is a wasteful number, since it uses less digits than its factorization.

52456018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26228011.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 52456018 is about 7242.6526908309. The cubic root of 52456018 is about 374.3390264700.

The spelling of 52456018 in words is "fifty-two million, four hundred fifty-six thousand, eighteen".