51120316 has 12 divisors (see below), whose sum is σ = 96342232. Its totient is φ = 23593968.

The previous prime is 51120287. The next prime is 51120319. The reversal of 51120316 is 61302115.

It is a super-2 number, since 2×51120316² = 5226573415879712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120293 and 51120302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120319) 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, 491490 + ... + 491593.

Almost surely, 2^51120316 is an apocalyptic number.

It is an amenable number.

51120316 is a deficient number, since it is larger than the sum of its proper divisors (45221916).

51120316 is a wasteful number, since it uses less digits than its factorization.

51120316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983100 (or 983098 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 51120316 is about 7149.8472710961. The cubic root of 51120316 is about 371.1343710612.

The spelling of 51120316 in words is "fifty-one million, one hundred twenty thousand, three hundred sixteen".