50555555049990 has 64 divisors (see below), whose sum is σ = 123217270502400. Its totient is φ = 13273121731584.

The previous prime is 50555555049983. The next prime is 50555555049997. The reversal of 50555555049990 is 9994055555505.

It is an interprime number because it is at equal distance from previous prime (50555555049983) and next prime (50555555049997).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555555049997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29377920 + ... + 31051139.

It is an arithmetic number, because the mean of its divisors is an integer number (1925269851600).

Almost surely, 2^{50555555049990} is an apocalyptic number.

50555555049990 is an abundant number, since it is smaller than the sum of its proper divisors (72661715452410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50555555049990 is a wasteful number, since it uses less digits than its factorization.

50555555049990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60429501.

The product of its (nonzero) digits is 227812500, while the sum is 66.

The spelling of 50555555049990 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty-five million, forty-nine thousand, nine hundred ninety".