51412716 has 36 divisors (see below), whose sum is σ = 131308632. Its totient is φ = 16959744.

The previous prime is 51412693. The next prime is 51412717. The reversal of 51412716 is 61721415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51412716.

It is not an unprimeable number, because it can be changed into a prime (51412717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3870 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (3647462).

Almost surely, 2^51412716 is an apocalyptic number.

It is an amenable number.

51412716 is an abundant number, since it is smaller than the sum of its proper divisors (79895916).

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

51412716 is a wasteful number, since it uses less digits than its factorization.

51412716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830 (or 14825 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 51412716 is about 7170.2661038486. The cubic root of 51412716 is about 371.8406358661.

The spelling of 51412716 in words is "fifty-one million, four hundred twelve thousand, seven hundred sixteen".