51733469 has 2 divisors, whose sum is σ = 51733470. Its totient is φ = 51733468.

The previous prime is 51733399. The next prime is 51733481. The reversal of 51733469 is 96433715.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 15288100 = 6037^2 + 3910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51733469 is a prime.

It is a super-2 number, since 2×51733469² = 5352703629547922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51733169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866734 + 25866735.

It is an arithmetic number, because the mean of its divisors is an integer number (25866735).

Almost surely, 2^51733469 is an apocalyptic number.

It is an amenable number.

51733469 is a deficient number, since it is larger than the sum of its proper divisors (1).

51733469 is an equidigital number, since it uses as much as digits as its factorization.

51733469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 51733469 is about 7192.5982092704. The cubic root of 51733469 is about 372.6123115237.

The spelling of 51733469 in words is "fifty-one million, seven hundred thirty-three thousand, four hundred sixty-nine".