51676716 has 96 divisors (see below), whose sum is σ = 152535040. Its totient is φ = 13250304.

The previous prime is 51676673. The next prime is 51676727. The reversal of 51676716 is 61767615.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39765 + ... + 41043.

Almost surely, 2^51676716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51676716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76267520).

51676716 is an abundant number, since it is smaller than the sum of its proper divisors (100858324).

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

51676716 is a wasteful number, since it uses less digits than its factorization.

51676716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 51676716 is about 7188.6518903060. The cubic root of 51676716 is about 372.4760064422.

The spelling of 51676716 in words is "fifty-one million, six hundred seventy-six thousand, seven hundred sixteen".