51364793 has 2 divisors, whose sum is σ = 51364794. Its totient is φ = 51364792.

The previous prime is 51364787. The next prime is 51364801. The reversal of 51364793 is 39746315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39476089 + 11888704 = 6283^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 51364793 - 2¹² = 51360697 is a prime.

It is not a weakly prime, because it can be changed into another prime (51364763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25682396 + 25682397.

It is an arithmetic number, because the mean of its divisors is an integer number (25682397).

Almost surely, 2^51364793 is an apocalyptic number.

It is an amenable number.

51364793 is a deficient number, since it is larger than the sum of its proper divisors (1).

51364793 is an equidigital number, since it uses as much as digits as its factorization.

51364793 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 51364793 is about 7166.9235380322. The cubic root of 51364793 is about 371.7250661538.

The spelling of 51364793 in words is "fifty-one million, three hundred sixty-four thousand, seven hundred ninety-three".