51610733 has 2 divisors, whose sum is σ = 51610734. Its totient is φ = 51610732.

The previous prime is 51610723. The next prime is 51610739. The reversal of 51610733 is 33701615.

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., 33953929 + 17656804 = 5827^2 + 4202^2 .

It is a cyclic number.

It is not a de Polignac number, because 51610733 - 2⁴ = 51610717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51610739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805366 + 25805367.

It is an arithmetic number, because the mean of its divisors is an integer number (25805367).

Almost surely, 2^51610733 is an apocalyptic number.

It is an amenable number.

51610733 is a deficient number, since it is larger than the sum of its proper divisors (1).

51610733 is an equidigital number, since it uses as much as digits as its factorization.

51610733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 51610733 is about 7184.0610381594. The cubic root of 51610733 is about 372.3174079217.

The spelling of 51610733 in words is "fifty-one million, six hundred ten thousand, seven hundred thirty-three".