52897018 has 4 divisors (see below), whose sum is σ = 79345530. Its totient is φ = 26448508.

The previous prime is 52897003. The next prime is 52897049. The reversal of 52897018 is 81079825.

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., 52229529 + 667489 = 7227^2 + 817^2 .

It is a Smith number, since the sum of its digits (40) 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, 13224253 + ... + 13224256.

Almost surely, 2^52897018 is an apocalyptic number.

52897018 is a deficient number, since it is larger than the sum of its proper divisors (26448512).

52897018 is a wasteful number, since it uses less digits than its factorization.

52897018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26448511.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 52897018 is about 7273.0336174117. The cubic root of 52897018 is about 375.3851284822.

The spelling of 52897018 in words is "fifty-two million, eight hundred ninety-seven thousand, eighteen".