551213202 has 32 divisors (see below), whose sum is σ = 1186424064. Its totient is φ = 170092800.

The previous prime is 551213191. The next prime is 551213233. The reversal of 551213202 is 202312155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38074 + ... + 50517.

It is an arithmetic number, because the mean of its divisors is an integer number (37075752).

Almost surely, 2^551213202 is an apocalyptic number.

551213202 is an abundant number, since it is smaller than the sum of its proper divisors (635210862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551213202 is a wasteful number, since it uses less digits than its factorization.

551213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88674.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 551213202 is about 23477.9301046749. The cubic root of 551213202 is about 819.9232537731.

Adding to 551213202 its reverse (202312155), we get a palindrome (753525357).

The spelling of 551213202 in words is "five hundred fifty-one million, two hundred thirteen thousand, two hundred two".