551025554049 has 12 divisors (see below), whose sum is σ = 795932297316. Its totient is φ = 367347370752.

The previous prime is 551025554029. The next prime is 551025554059. The reversal of 551025554049 is 940455520155.

551025554049 is a `hidden beast` number, since 5 + 5 + 10 + 2 + 55 + 540 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 197722515600 + 353303038449 = 444660^2 + 594393^2 .

It is not a de Polignac number, because 551025554049 - 2²⁹ = 550488683137 is a prime.

It is a super-2 number, since 2×551025554049² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551025553995 and 551025554013.

It is not an unprimeable number, because it can be changed into a prime (551025554029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1792549 + ... + 2077325.

It is an arithmetic number, because the mean of its divisors is an integer number (66327691443).

Almost surely, 2^551025554049 is an apocalyptic number.

It is an amenable number.

551025554049 is a deficient number, since it is larger than the sum of its proper divisors (244906743267).

551025554049 is a wasteful number, since it uses less digits than its factorization.

551025554049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499776 (or 499773 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 551025554049 in words is "five hundred fifty-one billion, twenty-five million, five hundred fifty-four thousand, forty-nine".