51846133 has 4 divisors (see below), whose sum is σ = 52556428. Its totient is φ = 51135840.

The previous prime is 51846131. The next prime is 51846187. The reversal of 51846133 is 33164815.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 11675889 = 6338^2 + 3417^2 .

It is a cyclic number.

It is not a de Polignac number, because 51846133 - 2¹ = 51846131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51846095 and 51846104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51846131) 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, 355038 + ... + 355183.

It is an arithmetic number, because the mean of its divisors is an integer number (13139107).

Almost surely, 2^51846133 is an apocalyptic number.

It is an amenable number.

51846133 is a deficient number, since it is larger than the sum of its proper divisors (710295).

51846133 is an equidigital number, since it uses as much as digits as its factorization.

51846133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710294.

The product of its digits is 8640, while the sum is 31.

The square root of 51846133 is about 7200.4258901818. The cubic root of 51846133 is about 372.8826043453.

The spelling of 51846133 in words is "fifty-one million, eight hundred forty-six thousand, one hundred thirty-three".