51992383 has 4 divisors (see below), whose sum is σ = 52044328. Its totient is φ = 51940440.

The previous prime is 51992371. The next prime is 51992401. The reversal of 51992383 is 38329915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51992383 - 2²¹ = 49895231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51992323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24441 + ... + 26482.

It is an arithmetic number, because the mean of its divisors is an integer number (13011082).

Almost surely, 2^51992383 is an apocalyptic number.

51992383 is a deficient number, since it is larger than the sum of its proper divisors (51945).

51992383 is a wasteful number, since it uses less digits than its factorization.

51992383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51944.

The product of its digits is 58320, while the sum is 40.

The square root of 51992383 is about 7210.5743876615. The cubic root of 51992383 is about 373.2328900883.

The spelling of 51992383 in words is "fifty-one million, nine hundred ninety-two thousand, three hundred eighty-three".