51873874 has 24 divisors (see below), whose sum is σ = 84853440. Its totient is φ = 23772528.

The previous prime is 51873869. The next prime is 51873883. The reversal of 51873874 is 47837815.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 51873874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55987 + ... + 56905.

It is an arithmetic number, because the mean of its divisors is an integer number (3535560).

Almost surely, 2^51873874 is an apocalyptic number.

51873874 is a deficient number, since it is larger than the sum of its proper divisors (32979566).

51873874 is a wasteful number, since it uses less digits than its factorization.

51873874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1101 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 51873874 is about 7202.3519769586. The cubic root of 51873874 is about 372.9490978415.

The spelling of 51873874 in words is "fifty-one million, eight hundred seventy-three thousand, eight hundred seventy-four".