551885049 has 16 divisors (see below), whose sum is σ = 819067200. Its totient is φ = 367266528.

The previous prime is 551885003. The next prime is 551885057. The reversal of 551885049 is 940588155.

It is a happy number.

551885049 is a `hidden beast` number, since 551 + 8 + 8 + 50 + 49 = 666.

It is not a de Polignac number, because 551885049 - 2²⁷ = 417667321 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551884995 and 551885013.

It is not an unprimeable number, because it can be changed into a prime (551885099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599 + ... + 33324.

It is an arithmetic number, because the mean of its divisors is an integer number (51191700).

Almost surely, 2^551885049 is an apocalyptic number.

It is an amenable number.

551885049 is a deficient number, since it is larger than the sum of its proper divisors (267182151).

551885049 is a wasteful number, since it uses less digits than its factorization.

551885049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36501 (or 36495 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 551885049 is about 23492.2338018333. The cubic root of 551885049 is about 820.2562400665.

The spelling of 551885049 in words is "five hundred fifty-one million, eight hundred eighty-five thousand, forty-nine".