552512121 has 32 divisors (see below), whose sum is σ = 908299008. Its totient is φ = 291532800.

The previous prime is 552512113. The next prime is 552512143. The reversal of 552512121 is 121215255.

It is not a de Polignac number, because 552512121 - 2³ = 552512113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 552512091 and 552512100.

It is not an unprimeable number, because it can be changed into a prime (552512111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4321 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (28384344).

Almost surely, 2^552512121 is an apocalyptic number.

552512121 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

552512121 is a deficient number, since it is larger than the sum of its proper divisors (355786887).

552512121 is a wasteful number, since it uses less digits than its factorization.

552512121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29281.

The product of its digits is 1000, while the sum is 24.

The square root of 552512121 is about 23505.5763809357. The cubic root of 552512121 is about 820.5667908677.

Adding to 552512121 its reverse (121215255), we get a palindrome (673727376).

The spelling of 552512121 in words is "five hundred fifty-two million, five hundred twelve thousand, one hundred twenty-one".