51546133 has 2 divisors, whose sum is σ = 51546134. Its totient is φ = 51546132.

The previous prime is 51546109. The next prime is 51546163. The reversal of 51546133 is 33164515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47637604 + 3908529 = 6902^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 51546133 - 2⁵ = 51546101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51546163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25773066 + 25773067.

It is an arithmetic number, because the mean of its divisors is an integer number (25773067).

Almost surely, 2^51546133 is an apocalyptic number.

It is an amenable number.

51546133 is a deficient number, since it is larger than the sum of its proper divisors (1).

51546133 is an equidigital number, since it uses as much as digits as its factorization.

51546133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 51546133 is about 7179.5635661229. The cubic root of 51546133 is about 372.1620026075.

The spelling of 51546133 in words is "fifty-one million, five hundred forty-six thousand, one hundred thirty-three".