654952553 has 12 divisors (see below), whose sum is σ = 693206640. Its totient is φ = 618714936.

The previous prime is 654952517. The next prime is 654952583. The reversal of 654952553 is 355259456.

It is not a de Polignac number, because 654952553 - 2¹⁰ = 654951529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654952583) 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 11 ways as a sum of consecutive naturals, for example, 134426 + ... + 139212.

It is an arithmetic number, because the mean of its divisors is an integer number (57767220).

Almost surely, 2^654952553 is an apocalyptic number.

It is an amenable number.

654952553 is a deficient number, since it is larger than the sum of its proper divisors (38254087).

654952553 is a wasteful number, since it uses less digits than its factorization.

654952553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 5185 counting only the distinct ones).

The product of its digits is 810000, while the sum is 44.

The square root of 654952553 is about 25592.0408135029. The cubic root of 654952553 is about 868.4335900129.

The spelling of 654952553 in words is "six hundred fifty-four million, nine hundred fifty-two thousand, five hundred fifty-three".