51674643 has 12 divisors (see below), whose sum is σ = 75090288. Its totient is φ = 34242480.

The previous prime is 51674641. The next prime is 51674647. The reversal of 51674643 is 34647615.

It is a happy number.

51674643 is a `hidden beast` number, since 5 + 1 + 6 + 7 + 4 + 643 = 666.

51674643 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 51674643 - 2¹ = 51674641 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51674598 and 51674607.

It is not an unprimeable number, because it can be changed into a prime (51674641) 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, 15688 + ... + 18693.

It is an arithmetic number, because the mean of its divisors is an integer number (6257524).

Almost surely, 2^51674643 is an apocalyptic number.

51674643 is a deficient number, since it is larger than the sum of its proper divisors (23415645).

51674643 is a wasteful number, since it uses less digits than its factorization.

51674643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34554 (or 34551 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 51674643 is about 7188.5077032719. The cubic root of 51674643 is about 372.4710257781.

The spelling of 51674643 in words is "fifty-one million, six hundred seventy-four thousand, six hundred forty-three".