554045663 has 4 divisors (see below), whose sum is σ = 555850680. Its totient is φ = 552240648.

The previous prime is 554045647. The next prime is 554045677. The reversal of 554045663 is 366540455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 554045663 - 2⁴ = 554045647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554045693) 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, 902048 + ... + 902661.

It is an arithmetic number, because the mean of its divisors is an integer number (138962670).

Almost surely, 2^554045663 is an apocalyptic number.

554045663 is a deficient number, since it is larger than the sum of its proper divisors (1805017).

554045663 is a wasteful number, since it uses less digits than its factorization.

554045663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805016.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 554045663 is about 23538.1745893771. The cubic root of 554045663 is about 821.3252726834.

The spelling of 554045663 in words is "five hundred fifty-four million, forty-five thousand, six hundred sixty-three".