551242306 has 16 divisors (see below), whose sum is σ = 877284000. Its totient is φ = 258880320.

The previous prime is 551242303. The next prime is 551242331. The reversal of 551242306 is 603242155.

It is not an unprimeable number, because it can be changed into a prime (551242303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (54830250).

Almost surely, 2^551242306 is an apocalyptic number.

551242306 is a deficient number, since it is larger than the sum of its proper divisors (326041694).

551242306 is a wasteful number, since it uses less digits than its factorization.

551242306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 551242306 is about 23478.5499126330. The cubic root of 551242306 is about 819.9376841401.

The spelling of 551242306 in words is "five hundred fifty-one million, two hundred forty-two thousand, three hundred six".