51874691 has 8 divisors (see below), whose sum is σ = 56967168. Its totient is φ = 46845000.

The previous prime is 51874681. The next prime is 51874741. The reversal of 51874691 is 19647815.

51874691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51874691 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (51874601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13955 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (7120896).

Almost surely, 2^51874691 is an apocalyptic number.

51874691 is a deficient number, since it is larger than the sum of its proper divisors (5092477).

51874691 is a wasteful number, since it uses less digits than its factorization.

51874691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31393.

The product of its digits is 60480, while the sum is 41.

The square root of 51874691 is about 7202.4086943189. The cubic root of 51874691 is about 372.9510557816.

The spelling of 51874691 in words is "fifty-one million, eight hundred seventy-four thousand, six hundred ninety-one".