51874823 has 32 divisors (see below), whose sum is σ = 72092160. Its totient is φ = 36005760.

The previous prime is 51874819. The next prime is 51874829. The reversal of 51874823 is 32847815.

It is not a de Polignac number, because 51874823 - 2² = 51874819 is a prime.

It is a super-2 number, since 2×51874823² = 5381994522562658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51874829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28136 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (2252880).

Almost surely, 2^51874823 is an apocalyptic number.

51874823 is a deficient number, since it is larger than the sum of its proper divisors (20217337).

51874823 is a wasteful number, since it uses less digits than its factorization.

51874823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its digits is 53760, while the sum is 38.

The square root of 51874823 is about 7202.4178579141. The cubic root of 51874823 is about 372.9513721176.

The spelling of 51874823 in words is "fifty-one million, eight hundred seventy-four thousand, eight hundred twenty-three".