50550055005021 has 64 divisors (see below), whose sum is σ = 79982376418560. Its totient is φ = 28162397952000.

The previous prime is 50550055005013. The next prime is 50550055005049. The reversal of 50550055005021 is 12050055005505.

It is not a de Polignac number, because 50550055005021 - 2³ = 50550055005013 is a prime.

It is a super-2 number, since 2×50550055005021² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550055005071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16026201 + ... + 18919281.

It is an arithmetic number, because the mean of its divisors is an integer number (1249724631540).

Almost surely, 2^{50550055005021} is an apocalyptic number.

It is an amenable number.

50550055005021 is a deficient number, since it is larger than the sum of its proper divisors (29432321413539).

50550055005021 is a wasteful number, since it uses less digits than its factorization.

50550055005021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893375 (or 2893349 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 33.

The spelling of 50550055005021 in words is "fifty trillion, five hundred fifty billion, fifty-five million, five thousand, twenty-one".