50555501497 has 2 divisors, whose sum is σ = 50555501498. Its totient is φ = 50555501496.

The previous prime is 50555501471. The next prime is 50555501519. The reversal of 50555501497 is 79410555505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48184201081 + 2371300416 = 219509^2 + 48696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50555501497 is a prime.

It is a super-2 number, since 2×50555501497² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50555501197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277750748 + 25277750749.

It is an arithmetic number, because the mean of its divisors is an integer number (25277750749).

Almost surely, 2^50555501497 is an apocalyptic number.

It is an amenable number.

50555501497 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555501497 is an equidigital number, since it uses as much as digits as its factorization.

50555501497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787500, while the sum is 46.

The spelling of 50555501497 in words is "fifty billion, five hundred fifty-five million, five hundred one thousand, four hundred ninety-seven".