50542591486721 has 16 divisors (see below), whose sum is σ = 52711723964928. Its totient is φ = 48407145868800.

The previous prime is 50542591486657. The next prime is 50542591486747. The reversal of 50542591486721 is 12768419524505.

It is a cyclic number.

It is not a de Polignac number, because 50542591486721 - 2⁶ = 50542591486657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50542591486781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277644551 + ... + 277826531.

It is an arithmetic number, because the mean of its divisors is an integer number (3294482747808).

Almost surely, 2^{50542591486721} is an apocalyptic number.

It is an amenable number.

50542591486721 is a deficient number, since it is larger than the sum of its proper divisors (2169132478207).

50542591486721 is a wasteful number, since it uses less digits than its factorization.

50542591486721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274472.

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 50542591486721 in words is "fifty trillion, five hundred forty-two billion, five hundred ninety-one million, four hundred eighty-six thousand, seven hundred twenty-one".