51716763 has 12 divisors (see below), whose sum is σ = 85373808. Its totient is φ = 29552400.

The previous prime is 51716761. The next prime is 51716783. The reversal of 51716763 is 36761715.

It is not a de Polignac number, because 51716763 - 2¹ = 51716761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51716761) 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, 410388 + ... + 410513.

It is an arithmetic number, because the mean of its divisors is an integer number (7114484).

Almost surely, 2^51716763 is an apocalyptic number.

51716763 is a deficient number, since it is larger than the sum of its proper divisors (33657045).

51716763 is a wasteful number, since it uses less digits than its factorization.

51716763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820914 (or 820911 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 51716763 is about 7191.4367827299. The cubic root of 51716763 is about 372.5721986685.

The spelling of 51716763 in words is "fifty-one million, seven hundred sixteen thousand, seven hundred sixty-three".