551546841 has 4 divisors (see below), whose sum is σ = 735395792. Its totient is φ = 367697892.

The previous prime is 551546837. The next prime is 551546873. The reversal of 551546841 is 148645155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 551546841 - 2² = 551546837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551546841.

It is not an unprimeable number, because it can be changed into a prime (551546641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91924471 + ... + 91924476.

It is an arithmetic number, because the mean of its divisors is an integer number (183848948).

Almost surely, 2^551546841 is an apocalyptic number.

It is an amenable number.

551546841 is a deficient number, since it is larger than the sum of its proper divisors (183848951).

551546841 is a wasteful number, since it uses less digits than its factorization.

551546841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183848950.

The product of its digits is 96000, while the sum is 39.

The square root of 551546841 is about 23485.0344049141. The cubic root of 551546841 is about 820.0886484569.

The spelling of 551546841 in words is "five hundred fifty-one million, five hundred forty-six thousand, eight hundred forty-one".