51347322 has 24 divisors (see below), whose sum is σ = 119810964. Its totient is φ = 15799104.

The previous prime is 51347297. The next prime is 51347341. The reversal of 51347322 is 22374315.

It can be written as a sum of positive squares in 2 ways, for example, as 51108201 + 239121 = 7149^2 + 489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109483 + ... + 109950.

Almost surely, 2^51347322 is an apocalyptic number.

51347322 is an abundant number, since it is smaller than the sum of its proper divisors (68463642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51347322 is a wasteful number, since it uses less digits than its factorization.

51347322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219454 (or 219451 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 51347322 is about 7165.7045710802. The cubic root of 51347322 is about 371.6829157189.

The spelling of 51347322 in words is "fifty-one million, three hundred forty-seven thousand, three hundred twenty-two".