61050055643 has 2 divisors, whose sum is σ = 61050055644. Its totient is φ = 61050055642.

The previous prime is 61050055579. The next prime is 61050055663. The reversal of 61050055643 is 34655005016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61050055643 - 2⁶ = 61050055579 is a prime.

It is a super-2 number, since 2×61050055643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61050055663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525027821 + 30525027822.

It is an arithmetic number, because the mean of its divisors is an integer number (30525027822).

Almost surely, 2^61050055643 is an apocalyptic number.

61050055643 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050055643 is an equidigital number, since it uses as much as digits as its factorization.

61050055643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 61050055643 in words is "sixty-one billion, fifty million, fifty-five thousand, six hundred forty-three".