552121011 has 12 divisors (see below), whose sum is σ = 858855088. Its totient is φ = 339766704.

The previous prime is 552120991. The next prime is 552121033. The reversal of 552121011 is 110121255.

552121011 is a `hidden beast` number, since 552 + 12 + 101 + 1 = 666.

It is not a de Polignac number, because 552121011 - 2¹⁰ = 552119987 is a prime.

It is a super-2 number, since 2×552121011² = 609675221575324242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (552121091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2359375 + ... + 2359608.

Almost surely, 2^552121011 is an apocalyptic number.

552121011 is a deficient number, since it is larger than the sum of its proper divisors (306734077).

552121011 is a wasteful number, since it uses less digits than its factorization.

552121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719002 (or 4718999 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 552121011 is about 23497.2553929177. The cubic root of 552121011 is about 820.3731253523.

Adding to 552121011 its reverse (110121255), we get a palindrome (662242266).

The spelling of 552121011 in words is "five hundred fifty-two million, one hundred twenty-one thousand, eleven".