51736863 has 16 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 33908160.

The previous prime is 51736847. The next prime is 51736871. The reversal of 51736863 is 36863715.

It is not a de Polignac number, because 51736863 - 2⁴ = 51736847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51736813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99043 + ... + 99563.

It is an arithmetic number, because the mean of its divisors is an integer number (4384800).

Almost surely, 2^51736863 is an apocalyptic number.

51736863 is a deficient number, since it is larger than the sum of its proper divisors (18419937).

51736863 is a wasteful number, since it uses less digits than its factorization.

51736863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 90720, while the sum is 39.

The square root of 51736863 is about 7192.8341423948. The cubic root of 51736863 is about 372.6204598176.

The spelling of 51736863 in words is "fifty-one million, seven hundred thirty-six thousand, eight hundred sixty-three".