51983243 has 12 divisors (see below), whose sum is σ = 58529520. Its totient is φ = 45892176.

The previous prime is 51983231. The next prime is 51983251. The reversal of 51983243 is 34238915.

51983243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51983243 - 2⁶ = 51983179 is a prime.

It is a super-3 number, since 3×51983243³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51983273) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3098 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (4877460).

Almost surely, 2^51983243 is an apocalyptic number.

51983243 is a deficient number, since it is larger than the sum of its proper divisors (6546277).

51983243 is a wasteful number, since it uses less digits than its factorization.

51983243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618 (or 7595 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 51983243 is about 7209.9405684097. The cubic root of 51983243 is about 373.2110179836.

The spelling of 51983243 in words is "fifty-one million, nine hundred eighty-three thousand, two hundred forty-three".