52278316 has 6 divisors (see below), whose sum is σ = 91487060. Its totient is φ = 26139156.

The previous prime is 52278313. The next prime is 52278319. The reversal of 52278316 is 61387225.

It is a happy number.

52278316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52278313) and next prime (52278319).

It is not an unprimeable number, because it can be changed into a prime (52278311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6534786 + ... + 6534793.

Almost surely, 2^52278316 is an apocalyptic number.

It is an amenable number.

52278316 is a deficient number, since it is larger than the sum of its proper divisors (39208744).

52278316 is a wasteful number, since it uses less digits than its factorization.

52278316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069583 (or 13069581 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 52278316 is about 7230.3745407828. The cubic root of 52278316 is about 373.9158398714.

The spelling of 52278316 in words is "fifty-two million, two hundred seventy-eight thousand, three hundred sixteen".