551123545 has 8 divisors (see below), whose sum is σ = 755826624. Its totient is φ = 377913264.

The previous prime is 551123497. The next prime is 551123563. The reversal of 551123545 is 545321155.

551123545 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 551123545 - 2¹³ = 551115353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7873159 + ... + 7873228.

It is an arithmetic number, because the mean of its divisors is an integer number (94478328).

Almost surely, 2^551123545 is an apocalyptic number.

It is an amenable number.

551123545 is a deficient number, since it is larger than the sum of its proper divisors (204703079).

551123545 is a wasteful number, since it uses less digits than its factorization.

551123545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15746399.

The product of its digits is 15000, while the sum is 31.

The square root of 551123545 is about 23476.0206380894. The cubic root of 551123545 is about 819.8787967796.

It can be divided in two parts, 55 and 1123545, that added together give a square (1123600 = 1060²).

The spelling of 551123545 in words is "five hundred fifty-one million, one hundred twenty-three thousand, five hundred forty-five".