51522316 has 12 divisors (see below), whose sum is σ = 90214432. Its totient is φ = 25746768.

The previous prime is 51522311. The next prime is 51522329. The reversal of 51522316 is 61322515.

It is not an unprimeable number, because it can be changed into a prime (51522311) 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, 11446 + ... + 15298.

Almost surely, 2^51522316 is an apocalyptic number.

It is an amenable number.

51522316 is a deficient number, since it is larger than the sum of its proper divisors (38692116).

51522316 is a wasteful number, since it uses less digits than its factorization.

51522316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200 (or 7198 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 51522316 is about 7177.9047082000. The cubic root of 51522316 is about 372.1046743630.

The spelling of 51522316 in words is "fifty-one million, five hundred twenty-two thousand, three hundred sixteen".