552646985 has 16 divisors (see below), whose sum is σ = 743020992. Its totient is φ = 391060800.

The previous prime is 552646957. The next prime is 552647057. The reversal of 552646985 is 589646255.

It is not a de Polignac number, because 552646985 - 2¹⁴ = 552630601 is a prime.

It is a Duffinian number.

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, 133751 + ... + 137820.

It is an arithmetic number, because the mean of its divisors is an integer number (46438812).

Almost surely, 2^552646985 is an apocalyptic number.

552646985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552646985 is a deficient number, since it is larger than the sum of its proper divisors (190374007).

552646985 is a wasteful number, since it uses less digits than its factorization.

552646985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271624.

The product of its digits is 2592000, while the sum is 50.

The square root of 552646985 is about 23508.4449719670. Note that the first 3 decimals coincide. The cubic root of 552646985 is about 820.6335501372.

The spelling of 552646985 in words is "five hundred fifty-two million, six hundred forty-six thousand, nine hundred eighty-five".