551331144050 has 12 divisors (see below), whose sum is σ = 1025475928026. Its totient is φ = 220532457600.

The previous prime is 551331144041. The next prime is 551331144071. The reversal of 551331144050 is 50441133155.

It can be written as a sum of positive squares in 3 ways, for example, as 238641043081 + 312690100969 = 488509^2 + 559187^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551331143998 and 551331144016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5513311391 + ... + 5513311490.

Almost surely, 2^551331144050 is an apocalyptic number.

551331144050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551331144050 is a deficient number, since it is larger than the sum of its proper divisors (474144783976).

551331144050 is a wasteful number, since it uses less digits than its factorization.

551331144050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026622893 (or 11026622888 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 551331144050 in words is "five hundred fifty-one billion, three hundred thirty-one million, one hundred forty-four thousand, fifty".