51992873 has 8 divisors (see below), whose sum is σ = 55295520. Its totient is φ = 48746880.

The previous prime is 51992869. The next prime is 51992933. The reversal of 51992873 is 37829915.

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

It is a cyclic number.

It is not a de Polignac number, because 51992873 - 2² = 51992869 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 (51992813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12263 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (6911940).

Almost surely, 2^51992873 is an apocalyptic number.

It is an amenable number.

51992873 is a deficient number, since it is larger than the sum of its proper divisors (3302647).

51992873 is a wasteful number, since it uses less digits than its factorization.

51992873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28327.

The product of its digits is 136080, while the sum is 44.

The square root of 51992873 is about 7210.6083654571. The cubic root of 51992873 is about 373.2340625904.

The spelling of 51992873 in words is "fifty-one million, nine hundred ninety-two thousand, eight hundred seventy-three".