51088643 has 2 divisors, whose sum is σ = 51088644. Its totient is φ = 51088642.

The previous prime is 51088619. The next prime is 51088657. The reversal of 51088643 is 34688015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51088643 - 2¹² = 51084547 is a prime.

It is a super-2 number, since 2×51088643² = 5220098887162898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51088613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25544321 + 25544322.

It is an arithmetic number, because the mean of its divisors is an integer number (25544322).

Almost surely, 2^51088643 is an apocalyptic number.

51088643 is a deficient number, since it is larger than the sum of its proper divisors (1).

51088643 is an equidigital number, since it uses as much as digits as its factorization.

51088643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51088643 is about 7147.6319854900. The cubic root of 51088643 is about 371.0577063847.

The spelling of 51088643 in words is "fifty-one million, eighty-eight thousand, six hundred forty-three".