52216456 has 16 divisors (see below), whose sum is σ = 97983900. Its totient is φ = 26087424.

The previous prime is 52216441. The next prime is 52216457. The reversal of 52216456 is 65461225.

It can be written as a sum of positive squares in 2 ways, for example, as 51351556 + 864900 = 7166^2 + 930^2 .

It is not an unprimeable number, because it can be changed into a prime (52216457) 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, 15360 + ... + 18448.

Almost surely, 2^52216456 is an apocalyptic number.

It is an amenable number.

52216456 is a deficient number, since it is larger than the sum of its proper divisors (45767444).

52216456 is a wasteful number, since it uses less digits than its factorization.

52216456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208 (or 5204 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 52216456 is about 7226.0954878828. The cubic root of 52216456 is about 373.7682990112.

The spelling of 52216456 in words is "fifty-two million, two hundred sixteen thousand, four hundred fifty-six".