52297816 has 8 divisors (see below), whose sum is σ = 98058420. Its totient is φ = 26148904.

The previous prime is 52297811. The next prime is 52297859. The reversal of 52297816 is 61879225.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52297811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268606 + ... + 3268621.

Almost surely, 2^52297816 is an apocalyptic number.

It is an amenable number.

52297816 is a deficient number, since it is larger than the sum of its proper divisors (45760604).

52297816 is a wasteful number, since it uses less digits than its factorization.

52297816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537233 (or 6537229 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 52297816 is about 7231.7228929212. The cubic root of 52297816 is about 373.9623247435.

The spelling of 52297816 in words is "fifty-two million, two hundred ninety-seven thousand, eight hundred sixteen".