51889983 has 16 divisors (see below), whose sum is σ = 70108416. Its totient is φ = 34136000.

The previous prime is 51889979. The next prime is 51889987. The reversal of 51889983 is 38998815.

It is an interprime number because it is at equal distance from previous prime (51889979) and next prime (51889987).

It is not a de Polignac number, because 51889983 - 2² = 51889979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51889987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102910 + ... + 103412.

It is an arithmetic number, because the mean of its divisors is an integer number (4381776).

Almost surely, 2^51889983 is an apocalyptic number.

51889983 is a deficient number, since it is larger than the sum of its proper divisors (18218433).

51889983 is a wasteful number, since it uses less digits than its factorization.

51889983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 622080, while the sum is 51.

The square root of 51889983 is about 7203.4702053941. The cubic root of 51889983 is about 372.9876992592.

The spelling of 51889983 in words is "fifty-one million, eight hundred eighty-nine thousand, nine hundred eighty-three".