51792863 has 4 divisors (see below), whose sum is σ = 54839520. Its totient is φ = 48746208.

The previous prime is 51792857. The next prime is 51792877. The reversal of 51792863 is 36829715.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51792863 - 2¹⁸ = 51530719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51792863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51792823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523303 + ... + 1523336.

It is an arithmetic number, because the mean of its divisors is an integer number (13709880).

Almost surely, 2^51792863 is an apocalyptic number.

51792863 is a deficient number, since it is larger than the sum of its proper divisors (3046657).

51792863 is a wasteful number, since it uses less digits than its factorization.

51792863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046656.

The product of its digits is 90720, while the sum is 41.

The square root of 51792863 is about 7196.7258527750. The cubic root of 51792863 is about 372.7548528489.

The spelling of 51792863 in words is "fifty-one million, seven hundred ninety-two thousand, eight hundred sixty-three".