551025554050 has 48 divisors (see below), whose sum is σ = 1078940318400. Its totient is φ = 208792209600.

The previous prime is 551025554029. The next prime is 551025554059. The reversal of 551025554050 is 50455520155.

It is a super-2 number, since 2×551025554050² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551025554059) 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, 20191915 + ... + 20219185.

It is an arithmetic number, because the mean of its divisors is an integer number (22477923300).

Almost surely, 2^551025554050 is an apocalyptic number.

551025554050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551025554050 is a deficient number, since it is larger than the sum of its proper divisors (527914764350).

551025554050 is a wasteful number, since it uses less digits than its factorization.

551025554050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48571 (or 48566 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 37.

The spelling of 551025554050 in words is "five hundred fifty-one billion, twenty-five million, five hundred fifty-four thousand, fifty".