51446113 has 2 divisors, whose sum is σ = 51446114. Its totient is φ = 51446112.

The previous prime is 51446099. The next prime is 51446123. The reversal of 51446113 is 31164415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 3794704 = 6903^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 51446113 - 2⁹ = 51445601 is a prime.

It is not a weakly prime, because it can be changed into another prime (51446123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25723056 + 25723057.

It is an arithmetic number, because the mean of its divisors is an integer number (25723057).

Almost surely, 2^51446113 is an apocalyptic number.

It is an amenable number.

51446113 is a deficient number, since it is larger than the sum of its proper divisors (1).

51446113 is an equidigital number, since it uses as much as digits as its factorization.

51446113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 51446113 is about 7172.5945793694. The cubic root of 51446113 is about 371.9211326428.

The spelling of 51446113 in words is "fifty-one million, four hundred forty-six thousand, one hundred thirteen".