554066505 has 48 divisors (see below), whose sum is σ = 1030086720. Its totient is φ = 274644864.

The previous prime is 554066501. The next prime is 554066531. The reversal of 554066505 is 505660455.

It is a happy number.

554066505 is a `hidden beast` number, since 5 + 540 + 66 + 50 + 5 = 666.

It is not a de Polignac number, because 554066505 - 2² = 554066501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554066505.

It is not an unprimeable number, because it can be changed into a prime (554066501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39202 + ... + 51428.

It is an arithmetic number, because the mean of its divisors is an integer number (21460140).

Almost surely, 2^554066505 is an apocalyptic number.

It is an amenable number.

554066505 is a deficient number, since it is larger than the sum of its proper divisors (476020215).

554066505 is a wasteful number, since it uses less digits than its factorization.

554066505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310 (or 12307 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 554066505 is about 23538.6173128330. The cubic root of 554066505 is about 821.3355713813.

The spelling of 554066505 in words is "five hundred fifty-four million, sixty-six thousand, five hundred five".