51899673 has 32 divisors (see below), whose sum is σ = 83353600. Its totient is φ = 28682640.

The previous prime is 51899671. The next prime is 51899677. The reversal of 51899673 is 37699815.

It is not a de Polignac number, because 51899673 - 2¹ = 51899671 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51899671) 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, 31086 + ... + 32712.

It is an arithmetic number, because the mean of its divisors is an integer number (2604800).

Almost surely, 2^51899673 is an apocalyptic number.

It is an amenable number.

51899673 is a deficient number, since it is larger than the sum of its proper divisors (31453927).

51899673 is a wasteful number, since it uses less digits than its factorization.

51899673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1668 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 51899673 is about 7204.1427664921. The cubic root of 51899673 is about 373.0109152098.

The spelling of 51899673 in words is "fifty-one million, eight hundred ninety-nine thousand, six hundred seventy-three".