552136336221 has 16 divisors (see below), whose sum is σ = 779651625024. Its totient is φ = 346365137664.

The previous prime is 552136336217. The next prime is 552136336223. The reversal of 552136336221 is 122633631255.

552136336221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 552136336221 - 2² = 552136336217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 552136336221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552136336223) 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, 902311 + ... + 1385076.

It is an arithmetic number, because the mean of its divisors is an integer number (48728226564).

Almost surely, 2^552136336221 is an apocalyptic number.

552136336221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

552136336221 is a deficient number, since it is larger than the sum of its proper divisors (227515288803).

552136336221 is a wasteful number, since it uses less digits than its factorization.

552136336221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292140.

The product of its digits is 194400, while the sum is 39.

Adding to 552136336221 its reverse (122633631255), we get a palindrome (674769967476).

The spelling of 552136336221 in words is "five hundred fifty-two billion, one hundred thirty-six million, three hundred thirty-six thousand, two hundred twenty-one".