551838849 has 8 divisors (see below), whose sum is σ = 735929952. Its totient is φ = 367820160.

The previous prime is 551838821. The next prime is 551838871. The reversal of 551838849 is 948838155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551838849 - 2⁵ = 551838817 is a prime.

It is a super-2 number, since 2×551838849² = 609052230531289602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551838349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (91991244).

Almost surely, 2^551838849 is an apocalyptic number.

It is an amenable number.

551838849 is a deficient number, since it is larger than the sum of its proper divisors (184091103).

551838849 is a wasteful number, since it uses less digits than its factorization.

551838849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36207.

The product of its digits is 1382400, while the sum is 51.

The square root of 551838849 is about 23491.2504775714. The cubic root of 551838849 is about 820.2333507010.

The spelling of 551838849 in words is "five hundred fifty-one million, eight hundred thirty-eight thousand, eight hundred forty-nine".