551034043 has 4 divisors (see below), whose sum is σ = 629753200. Its totient is φ = 472314888.

The previous prime is 551034041. The next prime is 551034061. The reversal of 551034043 is 340430155.

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 551034043 - 2¹ = 551034041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551033999 and 551034017.

It is not an unprimeable number, because it can be changed into a prime (551034041) 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, 39359568 + ... + 39359581.

It is an arithmetic number, because the mean of its divisors is an integer number (157438300).

Almost surely, 2^551034043 is an apocalyptic number.

551034043 is a deficient number, since it is larger than the sum of its proper divisors (78719157).

551034043 is an equidigital number, since it uses as much as digits as its factorization.

551034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78719156.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 551034043 is about 23474.1143176905. The cubic root of 551034043 is about 819.8344118346.

Adding to 551034043 its reverse (340430155), we get a palindrome (891464198).

The spelling of 551034043 in words is "five hundred fifty-one million, thirty-four thousand, forty-three".