50555899 has 2 divisors, whose sum is σ = 50555900. Its totient is φ = 50555898.

The previous prime is 50555893. The next prime is 50555927. The reversal of 50555899 is 99855505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50555899 - 2³ = 50555891 is a prime.

It is not a weakly prime, because it can be changed into another prime (50555891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277949 + 25277950.

It is an arithmetic number, because the mean of its divisors is an integer number (25277950).

Almost surely, 2^50555899 is an apocalyptic number.

50555899 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555899 is an equidigital number, since it uses as much as digits as its factorization.

50555899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 46.

The square root of 50555899 is about 7110.2671539120. The cubic root of 50555899 is about 369.7634207130.

The spelling of 50555899 in words is "fifty million, five hundred fifty-five thousand, eight hundred ninety-nine".