51853679 has 12 divisors (see below), whose sum is σ = 55046880. Its totient is φ = 48837600.

The previous prime is 51853673. The next prime is 51853691. The reversal of 51853679 is 97635815.

It is not a de Polignac number, because 51853679 - 2²⁰ = 50805103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51853673) 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, 85979 + ... + 86579.

It is an arithmetic number, because the mean of its divisors is an integer number (4587240).

Almost surely, 2^51853679 is an apocalyptic number.

51853679 is a deficient number, since it is larger than the sum of its proper divisors (3193201).

51853679 is a wasteful number, since it uses less digits than its factorization.

51853679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 859 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 51853679 is about 7200.9498678994. The cubic root of 51853679 is about 372.9006939980.

The spelling of 51853679 in words is "fifty-one million, eight hundred fifty-three thousand, six hundred seventy-nine".