551056105050 has 48 divisors (see below), whose sum is σ = 1490857248672. Its totient is φ = 133589358400.

The previous prime is 551056105037. The next prime is 551056105091. The reversal of 551056105050 is 50501650155.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166985049 + ... + 166988348.

It is an arithmetic number, because the mean of its divisors is an integer number (31059526014).

Almost surely, 2^551056105050 is an apocalyptic number.

551056105050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551056105050 is an abundant number, since it is smaller than the sum of its proper divisors (939801143622).

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

551056105050 is a wasteful number, since it uses less digits than its factorization.

551056105050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333973423 (or 333973418 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 551056105050 in words is "five hundred fifty-one billion, fifty-six million, one hundred five thousand, fifty".