552129861 has 16 divisors (see below), whose sum is σ = 746887680. Its totient is φ = 362751600.

The previous prime is 552129857. The next prime is 552129863. The reversal of 552129861 is 168921255.

It is not a de Polignac number, because 552129861 - 2² = 552129857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552129863) by changing a digit.

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, 106786 + ... + 111836.

It is an arithmetic number, because the mean of its divisors is an integer number (46680480).

Almost surely, 2^552129861 is an apocalyptic number.

It is an amenable number.

552129861 is a deficient number, since it is larger than the sum of its proper divisors (194757819).

552129861 is a wasteful number, since it uses less digits than its factorization.

552129861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its digits is 43200, while the sum is 39.

The square root of 552129861 is about 23497.4437120296. The cubic root of 552129861 is about 820.3775086084.

The spelling of 552129861 in words is "five hundred fifty-two million, one hundred twenty-nine thousand, eight hundred sixty-one".