551104031 has 4 divisors (see below), whose sum is σ = 555311064. Its totient is φ = 546897000.

The previous prime is 551103997. The next prime is 551104049. The reversal of 551104031 is 130401155.

551104031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551104031 - 2⁶ = 551103967 is a prime.

It is a super-2 number, since 2×551104031² = 607431305968897922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551103994 and 551104012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551104061) 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, 2103320 + ... + 2103581.

It is an arithmetic number, because the mean of its divisors is an integer number (138827766).

Almost surely, 2^551104031 is an apocalyptic number.

551104031 is a deficient number, since it is larger than the sum of its proper divisors (4207033).

551104031 is a wasteful number, since it uses less digits than its factorization.

551104031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207032.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 551104031 is about 23475.6050188275. The cubic root of 551104031 is about 819.8691199997.

Adding to 551104031 its reverse (130401155), we get a palindrome (681505186).

The spelling of 551104031 in words is "five hundred fifty-one million, one hundred four thousand, thirty-one".