50555554999964 has 12 divisors (see below), whose sum is σ = 101111109999984. Its totient is φ = 21666666428544.

The previous prime is 50555554999951. The next prime is 50555554999969. The reversal of 50555554999964 is 46999945555505.

50555554999964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555554999969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902777767829 + ... + 902777767884.

It is an arithmetic number, because the mean of its divisors is an integer number (8425925833332).

Almost surely, 2^{50555554999964} is an apocalyptic number.

It is an amenable number.

50555554999964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50555554999964 is a wasteful number, since it uses less digits than its factorization.

50555554999964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805555535724 (or 1805555535722 counting only the distinct ones).

The product of its (nonzero) digits is 9841500000, while the sum is 80.

The spelling of 50555554999964 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred sixty-four".