51983245 has 8 divisors (see below), whose sum is σ = 62578584. Its totient is φ = 41454144.

The previous prime is 51983231. The next prime is 51983251. The reversal of 51983245 is 54238915.

51983245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8185321 + 43797924 = 2861^2 + 6618^2 .

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 51983245 - 2⁷ = 51983117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14814 + ... + 17983.

It is an arithmetic number, because the mean of its divisors is an integer number (7822323).

Almost surely, 2^51983245 is an apocalyptic number.

It is an amenable number.

51983245 is a deficient number, since it is larger than the sum of its proper divisors (10595339).

51983245 is a wasteful number, since it uses less digits than its factorization.

51983245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33119.

The product of its digits is 43200, while the sum is 37.

The square root of 51983245 is about 7209.9407071071. The cubic root of 51983245 is about 373.2110227699.

The spelling of 51983245 in words is "fifty-one million, nine hundred eighty-three thousand, two hundred forty-five".