50086985881690 has 64 divisors (see below), whose sum is σ = 93158850723840. Its totient is φ = 19368937235520.

The previous prime is 50086985881651. The next prime is 50086985881693. The reversal of 50086985881690 is 9618858968005.

It is a super-2 number, since 2×50086985881690² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50086985881693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371363769 + ... + 1371400291.

It is an arithmetic number, because the mean of its divisors is an integer number (1455607042560).

Almost surely, 2^{50086985881690} is an apocalyptic number.

50086985881690 is a deficient number, since it is larger than the sum of its proper divisors (43071864842150).

50086985881690 is a wasteful number, since it uses less digits than its factorization.

50086985881690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40907.

The product of its (nonzero) digits is 298598400, while the sum is 73.

The spelling of 50086985881690 in words is "fifty trillion, eighty-six billion, nine hundred eighty-five million, eight hundred eighty-one thousand, six hundred ninety".