51418712 has 32 divisors (see below), whose sum is σ = 103857600. Its totient is φ = 23786784.

The previous prime is 51418709. The next prime is 51418723. The reversal of 51418712 is 21781415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603 + ... + 10469.

It is an arithmetic number, because the mean of its divisors is an integer number (3245550).

Almost surely, 2^51418712 is an apocalyptic number.

It is an amenable number.

51418712 is an abundant number, since it is smaller than the sum of its proper divisors (52438888).

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

51418712 is a wasteful number, since it uses less digits than its factorization.

51418712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935 (or 7931 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 51418712 is about 7170.6842072427. The cubic root of 51418712 is about 371.8550905896.

The spelling of 51418712 in words is "fifty-one million, four hundred eighteen thousand, seven hundred twelve".