51052643 has 2 divisors, whose sum is σ = 51052644. Its totient is φ = 51052642.

The previous prime is 51052591. The next prime is 51052681. The reversal of 51052643 is 34625015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51052643 - 2⁶ = 51052579 is a prime.

It is not a weakly prime, because it can be changed into another prime (51052543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526321 + 25526322.

It is an arithmetic number, because the mean of its divisors is an integer number (25526322).

Almost surely, 2^51052643 is an apocalyptic number.

51052643 is a deficient number, since it is larger than the sum of its proper divisors (1).

51052643 is an equidigital number, since it uses as much as digits as its factorization.

51052643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 51052643 is about 7145.1132251351. The cubic root of 51052643 is about 370.9705296953.

Adding to 51052643 its reverse (34625015), we get a palindrome (85677658).

The spelling of 51052643 in words is "fifty-one million, fifty-two thousand, six hundred forty-three".