51793857 has 16 divisors (see below), whose sum is σ = 77440000. Its totient is φ = 34210512.

The previous prime is 51793853. The next prime is 51793871. The reversal of 51793857 is 75839715.

51793857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51793857 - 2² = 51793853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51793853) 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 15 ways as a sum of consecutive naturals, for example, 5857 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (4840000).

Almost surely, 2^51793857 is an apocalyptic number.

It is an amenable number.

51793857 is a deficient number, since it is larger than the sum of its proper divisors (25646143).

51793857 is a wasteful number, since it uses less digits than its factorization.

51793857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717 (or 17711 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 51793857 is about 7196.7949116256. The cubic root of 51793857 is about 372.7572374500.

It can be divided in two parts, 51793 and 857, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 51793857 in words is "fifty-one million, seven hundred ninety-three thousand, eight hundred fifty-seven".