490732553 has 4 divisors (see below), whose sum is σ = 491072208. Its totient is φ = 490392900.

The previous prime is 490732549. The next prime is 490732579. The reversal of 490732553 is 355237094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355237094 = 2 ⋅177618547.

It is a cyclic number.

It is not a de Polignac number, because 490732553 - 2² = 490732549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490732453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167651 + ... + 170552.

It is an arithmetic number, because the mean of its divisors is an integer number (122768052).

Almost surely, 2^490732553 is an apocalyptic number.

It is an amenable number.

490732553 is a deficient number, since it is larger than the sum of its proper divisors (339655).

490732553 is a wasteful number, since it uses less digits than its factorization.

490732553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339654.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 490732553 is about 22152.4841270680. The cubic root of 490732553 is about 788.7661951010.

The spelling of 490732553 in words is "four hundred ninety million, seven hundred thirty-two thousand, five hundred fifty-three".