50225515399 has 2 divisors, whose sum is σ = 50225515400. Its totient is φ = 50225515398.

The previous prime is 50225515391. The next prime is 50225515423. The reversal of 50225515399 is 99351552205.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50225515399 - 2³ = 50225515391 is a prime.

It is a super-2 number, since 2×50225515399² (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 (50225515391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25112757699 + 25112757700.

It is an arithmetic number, because the mean of its divisors is an integer number (25112757700).

Almost surely, 2^50225515399 is an apocalyptic number.

50225515399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50225515399 is an equidigital number, since it uses as much as digits as its factorization.

50225515399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 607500, while the sum is 46.

The spelling of 50225515399 in words is "fifty billion, two hundred twenty-five million, five hundred fifteen thousand, three hundred ninety-nine".