490171553 has 8 divisors (see below), whose sum is σ = 495210240. Its totient is φ = 485158240.

The previous prime is 490171511. The next prime is 490171571. The reversal of 490171553 is 355171094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490171553 - 2¹⁶ = 490106017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490173553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33773 + ... + 46053.

It is an arithmetic number, because the mean of its divisors is an integer number (61901280).

Almost surely, 2^490171553 is an apocalyptic number.

It is an amenable number.

490171553 is a deficient number, since it is larger than the sum of its proper divisors (5038687).

490171553 is a wasteful number, since it uses less digits than its factorization.

490171553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 490171553 is about 22139.8182693535. The cubic root of 490171553 is about 788.4655109099.

The spelling of 490171553 in words is "four hundred ninety million, one hundred seventy-one thousand, five hundred fifty-three".