551602201 has 4 divisors (see below), whose sum is σ = 553910400. Its totient is φ = 549294004.

The previous prime is 551602193. The next prime is 551602211. The reversal of 551602201 is 102206155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551602201 - 2³ = 551602193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551602211) 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, 1153741 + ... + 1154218.

It is an arithmetic number, because the mean of its divisors is an integer number (138477600).

Almost surely, 2^551602201 is an apocalyptic number.

It is an amenable number.

551602201 is a deficient number, since it is larger than the sum of its proper divisors (2308199).

551602201 is a wasteful number, since it uses less digits than its factorization.

551602201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308198.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 551602201 is about 23486.2129982677. The cubic root of 551602201 is about 820.1160855878.

Adding to 551602201 its reverse (102206155), we get a palindrome (653808356).

The spelling of 551602201 in words is "five hundred fifty-one million, six hundred two thousand, two hundred one".