51922317 has 8 divisors (see below), whose sum is σ = 69630624. Its totient is φ = 34414448.

The previous prime is 51922309. The next prime is 51922327. The reversal of 51922317 is 71322915.

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 51922317 - 2³ = 51922309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51922327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49503 + ... + 50540.

It is an arithmetic number, because the mean of its divisors is an integer number (8703828).

Almost surely, 2^51922317 is an apocalyptic number.

It is an amenable number.

51922317 is a deficient number, since it is larger than the sum of its proper divisors (17708307).

51922317 is a wasteful number, since it uses less digits than its factorization.

51922317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100219.

The product of its digits is 3780, while the sum is 30.

The square root of 51922317 is about 7205.7141908349. The cubic root of 51922317 is about 373.0651559565.

The spelling of 51922317 in words is "fifty-one million, nine hundred twenty-two thousand, three hundred seventeen".