50551999093 has 2 divisors, whose sum is σ = 50551999094. Its totient is φ = 50551999092.

The previous prime is 50551999081. The next prime is 50551999097. The reversal of 50551999093 is 39099915505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49074211729 + 1477787364 = 221527^2 + 38442^2 .

It is a cyclic number.

It is not a de Polignac number, because 50551999093 - 2²⁵ = 50518444661 is a prime.

It is a super-2 number, since 2×50551999093² (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 (50551999097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275999546 + 25275999547.

It is an arithmetic number, because the mean of its divisors is an integer number (25275999547).

Almost surely, 2^50551999093 is an apocalyptic number.

It is an amenable number.

50551999093 is a deficient number, since it is larger than the sum of its proper divisors (1).

50551999093 is an equidigital number, since it uses as much as digits as its factorization.

50551999093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2460375, while the sum is 55.

The spelling of 50551999093 in words is "fifty billion, five hundred fifty-one million, nine hundred ninety-nine thousand, ninety-three".