51676516 has 12 divisors (see below), whose sum is σ = 91916860. Its totient is φ = 25414560.

The previous prime is 51676511. The next prime is 51676517. The reversal of 51676516 is 61567615.

It can be written as a sum of positive squares in 2 ways, for example, as 25462116 + 26214400 = 5046^2 + 5120^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51676511) 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, 105651 + ... + 106138.

Almost surely, 2^51676516 is an apocalyptic number.

It is an amenable number.

51676516 is a deficient number, since it is larger than the sum of its proper divisors (40240344).

51676516 is a wasteful number, since it uses less digits than its factorization.

51676516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211854 (or 211852 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 51676516 is about 7188.6379794784. The cubic root of 51676516 is about 372.4755259208.

The spelling of 51676516 in words is "fifty-one million, six hundred seventy-six thousand, five hundred sixteen".