51442316 has 6 divisors (see below), whose sum is σ = 90024060. Its totient is φ = 25721156.

The previous prime is 51442271. The next prime is 51442327. The reversal of 51442316 is 61324415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430286 + ... + 6430293.

It is an arithmetic number, because the mean of its divisors is an integer number (15004010).

Almost surely, 2^51442316 is an apocalyptic number.

It is an amenable number.

51442316 is a deficient number, since it is larger than the sum of its proper divisors (38581744).

51442316 is a wasteful number, since it uses less digits than its factorization.

51442316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12860583 (or 12860581 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 51442316 is about 7172.3298864455. The cubic root of 51442316 is about 371.9119824906.

The spelling of 51442316 in words is "fifty-one million, four hundred forty-two thousand, three hundred sixteen".