51379093 has 2 divisors, whose sum is σ = 51379094. Its totient is φ = 51379092.

The previous prime is 51379087. The next prime is 51379099. The reversal of 51379093 is 39097315.

It is a balanced prime because it is at equal distance from previous prime (51379087) and next prime (51379099).

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 142129 = 7158^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 51379093 - 2⁵ = 51379061 is a prime.

It is a super-2 number, since 2×51379093² = 5279622395005298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51379099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25689546 + 25689547.

It is an arithmetic number, because the mean of its divisors is an integer number (25689547).

Almost surely, 2^51379093 is an apocalyptic number.

It is an amenable number.

51379093 is a deficient number, since it is larger than the sum of its proper divisors (1).

51379093 is an equidigital number, since it uses as much as digits as its factorization.

51379093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 51379093 is about 7167.9211072667. The cubic root of 51379093 is about 371.7595591396.

The spelling of 51379093 in words is "fifty-one million, three hundred seventy-nine thousand, ninety-three".