50000555498977 has 2 divisors, whose sum is σ = 50000555498978. Its totient is φ = 50000555498976.

The previous prime is 50000555498851. The next prime is 50000555499047. The reversal of 50000555498977 is 77989455500005.

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., 49787263008081 + 213292490896 = 7056009^2 + 461836^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000555498977 - 2³¹ = 49998408015329 is a prime.

It is a super-2 number, since 2×50000555498977² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50000555495977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000277749488 + 25000277749489.

It is an arithmetic number, because the mean of its divisors is an integer number (25000277749489).

Almost surely, 2^{50000555498977} is an apocalyptic number.

It is an amenable number.

50000555498977 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000555498977 is an equidigital number, since it uses as much as digits as its factorization.

50000555498977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380000, while the sum is 64.

The spelling of 50000555498977 in words is "fifty trillion, five hundred fifty-five million, four hundred ninety-eight thousand, nine hundred seventy-seven".