51346133 has 4 divisors (see below), whose sum is σ = 51368268. Its totient is φ = 51324000.

The previous prime is 51346117. The next prime is 51346157. The reversal of 51346133 is 33164315.

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 17322244 + 34023889 = 4162^2 + 5833^2 .

It is a cyclic number.

It is not a de Polignac number, because 51346133 - 2⁴ = 51346117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51346193) 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, 7118 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (12842067).

Almost surely, 2^51346133 is an apocalyptic number.

It is an amenable number.

51346133 is a deficient number, since it is larger than the sum of its proper divisors (22135).

51346133 is a wasteful number, since it uses less digits than its factorization.

51346133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22134.

The product of its digits is 3240, while the sum is 26.

The square root of 51346133 is about 7165.6216059739. The cubic root of 51346133 is about 371.6800467968.

The spelling of 51346133 in words is "fifty-one million, three hundred forty-six thousand, one hundred thirty-three".