51146316 has 60 divisors (see below), whose sum is σ = 144003552. Its totient is φ = 15736032.

The previous prime is 51146297. The next prime is 51146317. The reversal of 51146316 is 61364115.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 51146316.

It is not an unprimeable number, because it can be changed into a prime (51146317) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1860 + ... + 10283.

Almost surely, 2^51146316 is an apocalyptic number.

It is an amenable number.

51146316 is an abundant number, since it is smaller than the sum of its proper divisors (92857236).

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

51146316 is a wasteful number, since it uses less digits than its factorization.

51146316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172 (or 12161 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 51146316 is about 7151.6652606229. The cubic root of 51146316 is about 371.1972805457.

The spelling of 51146316 in words is "fifty-one million, one hundred forty-six thousand, three hundred sixteen".