50055520021247 has 24 divisors (see below), whose sum is σ = 57264954313056. Its totient is φ = 43485974558208.

The previous prime is 50055520021217. The next prime is 50055520021249. The reversal of 50055520021247 is 74212002555005.

It is not a de Polignac number, because 50055520021247 - 2⁸ = 50055520020991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50055520021247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055520021249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157360853 + ... + 157678625.

It is an arithmetic number, because the mean of its divisors is an integer number (2386039763044).

Almost surely, 2^{50055520021247} is an apocalyptic number.

50055520021247 is a deficient number, since it is larger than the sum of its proper divisors (7209434291809).

50055520021247 is a wasteful number, since it uses less digits than its factorization.

50055520021247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359747 (or 359730 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 50055520021247 in words is "fifty trillion, fifty-five billion, five hundred twenty million, twenty-one thousand, two hundred forty-seven".