51142316 has 6 divisors (see below), whose sum is σ = 89499060. Its totient is φ = 25571156.

The previous prime is 51142303. The next prime is 51142361. The reversal of 51142316 is 61324115.

51142316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51142291 and 51142300.

It is an unprimeable number.

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, 6392786 + ... + 6392793.

It is an arithmetic number, because the mean of its divisors is an integer number (14916510).

Almost surely, 2^51142316 is an apocalyptic number.

It is an amenable number.

51142316 is a deficient number, since it is larger than the sum of its proper divisors (38356744).

51142316 is a wasteful number, since it uses less digits than its factorization.

51142316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785583 (or 12785581 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 51142316 is about 7151.3856000079. The cubic root of 51142316 is about 371.1876035514.

The spelling of 51142316 in words is "fifty-one million, one hundred forty-two thousand, three hundred sixteen".