49820545759 has 2 divisors, whose sum is σ = 49820545760. Its totient is φ = 49820545758.

The previous prime is 49820545721. The next prime is 49820545777. The reversal of 49820545759 is 95754502894.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49820545759 - 2³³ = 41230611167 is a prime.

It is a super-2 number, since 2×49820545759² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49820245759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24910272879 + 24910272880.

It is an arithmetic number, because the mean of its divisors is an integer number (24910272880).

Almost surely, 2^49820545759 is an apocalyptic number.

49820545759 is a deficient number, since it is larger than the sum of its proper divisors (1).

49820545759 is an equidigital number, since it uses as much as digits as its factorization.

49820545759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 49820545759 in words is "forty-nine billion, eight hundred twenty million, five hundred forty-five thousand, seven hundred fifty-nine".