551433201 has 16 divisors (see below), whose sum is σ = 802614528. Its totient is φ = 333981200.

The previous prime is 551433151. The next prime is 551433217. The reversal of 551433201 is 102334155.

It is a cyclic number.

It is not a de Polignac number, because 551433201 - 2⁶ = 551433137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551433221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55150 + ... + 64376.

It is an arithmetic number, because the mean of its divisors is an integer number (50163408).

Almost surely, 2^551433201 is an apocalyptic number.

It is an amenable number.

551433201 is a deficient number, since it is larger than the sum of its proper divisors (251181327).

551433201 is a wasteful number, since it uses less digits than its factorization.

551433201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 551433201 is about 23482.6148671735. The cubic root of 551433201 is about 820.0323212523.

Adding to 551433201 its reverse (102334155), we get a palindrome (653767356).

The spelling of 551433201 in words is "five hundred fifty-one million, four hundred thirty-three thousand, two hundred one".