553641985 has 16 divisors (see below), whose sum is σ = 732118464. Its totient is φ = 399333312.

The previous prime is 553641967. The next prime is 553642003. The reversal of 553641985 is 589146355.

553641985 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (553641967) and next prime (553642003).

It is a cyclic number.

It is not a de Polignac number, because 553641985 - 2¹³ = 553633793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96247 + ... + 101836.

It is an arithmetic number, because the mean of its divisors is an integer number (45757404).

Almost surely, 2^553641985 is an apocalyptic number.

It is an amenable number.

553641985 is a deficient number, since it is larger than the sum of its proper divisors (178476479).

553641985 is a wasteful number, since it uses less digits than its factorization.

553641985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198144.

The product of its digits is 648000, while the sum is 46.

The square root of 553641985 is about 23529.5980628654. The cubic root of 553641985 is about 821.1257515243.

The spelling of 553641985 in words is "five hundred fifty-three million, six hundred forty-one thousand, nine hundred eighty-five".