50555500477 has 2 divisors, whose sum is σ = 50555500478. Its totient is φ = 50555500476.

The previous prime is 50555500441. The next prime is 50555500483. The reversal of 50555500477 is 77400555505.

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., 38738506041 + 11816994436 = 196821^2 + 108706^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555500477 - 2¹¹ = 50555498429 is a prime.

It is a super-3 number, since 3×50555500477³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555500577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277750238 + 25277750239.

It is an arithmetic number, because the mean of its divisors is an integer number (25277750239).

Almost surely, 2^50555500477 is an apocalyptic number.

It is an amenable number.

50555500477 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555500477 is an equidigital number, since it uses as much as digits as its factorization.

50555500477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 50555500477 in words is "fifty billion, five hundred fifty-five million, five hundred thousand, four hundred seventy-seven".