551525043 has 4 divisors (see below), whose sum is σ = 735366728. Its totient is φ = 367683360.

The previous prime is 551525041. The next prime is 551525047. The reversal of 551525043 is 340525155.

It is a happy number.

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

It is not a de Polignac number, because 551525043 - 2¹ = 551525041 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 551525043.

It is not an unprimeable number, because it can be changed into a prime (551525041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91920838 + ... + 91920843.

It is an arithmetic number, because the mean of its divisors is an integer number (183841682).

Almost surely, 2^551525043 is an apocalyptic number.

551525043 is a deficient number, since it is larger than the sum of its proper divisors (183841685).

551525043 is a wasteful number, since it uses less digits than its factorization.

551525043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183841684.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 551525043 is about 23484.5703175511. The cubic root of 551525043 is about 820.0778445828.

The spelling of 551525043 in words is "five hundred fifty-one million, five hundred twenty-five thousand, forty-three".