51733723 has 2 divisors, whose sum is σ = 51733724. Its totient is φ = 51733722.

The previous prime is 51733711. The next prime is 51733727. The reversal of 51733723 is 32733715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51733723 - 2⁵ = 51733691 is a prime.

It is not a weakly prime, because it can be changed into another prime (51733727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866861 + 25866862.

It is an arithmetic number, because the mean of its divisors is an integer number (25866862).

Almost surely, 2^51733723 is an apocalyptic number.

51733723 is a deficient number, since it is larger than the sum of its proper divisors (1).

51733723 is an equidigital number, since it uses as much as digits as its factorization.

51733723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 51733723 is about 7192.6158662895. The cubic root of 51733723 is about 372.6129213376.

The spelling of 51733723 in words is "fifty-one million, seven hundred thirty-three thousand, seven hundred twenty-three".