51436716 has 12 divisors (see below), whose sum is σ = 120019032. Its totient is φ = 17145568.

The previous prime is 51436709. The next prime is 51436727. The reversal of 51436716 is 61763415.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143185 + ... + 2143208.

It is an arithmetic number, because the mean of its divisors is an integer number (10001586).

Almost surely, 2^51436716 is an apocalyptic number.

It is an amenable number.

51436716 is an abundant number, since it is smaller than the sum of its proper divisors (68582316).

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

51436716 is a wasteful number, since it uses less digits than its factorization.

51436716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286400 (or 4286398 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 51436716 is about 7171.9394866382. The cubic root of 51436716 is about 371.8984865801.

The spelling of 51436716 in words is "fifty-one million, four hundred thirty-six thousand, seven hundred sixteen".