51804247874 has 32 divisors (see below), whose sum is σ = 79534016640. Its totient is φ = 25300777600.

The previous prime is 51804247829. The next prime is 51804247903. The reversal of 51804247874 is 47874240815.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7138832 + ... + 7146084.

It is an arithmetic number, because the mean of its divisors is an integer number (2485438020).

Almost surely, 2^51804247874 is an apocalyptic number.

51804247874 is a deficient number, since it is larger than the sum of its proper divisors (27729768766).

51804247874 is a wasteful number, since it uses less digits than its factorization.

51804247874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786.

The product of its (nonzero) digits is 2007040, while the sum is 50.

The spelling of 51804247874 in words is "fifty-one billion, eight hundred four million, two hundred forty-seven thousand, eight hundred seventy-four".