554332639 has 6 divisors (see below), whose sum is σ = 644835984. Its totient is φ = 475142220.

The previous prime is 554332633. The next prime is 554332661. The reversal of 554332639 is 936233455.

554332639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 554332639 - 2⁹ = 554332127 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 (554332633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5656407 + ... + 5656504.

It is an arithmetic number, because the mean of its divisors is an integer number (107472664).

Almost surely, 2^554332639 is an apocalyptic number.

554332639 is a deficient number, since it is larger than the sum of its proper divisors (90503345).

554332639 is a wasteful number, since it uses less digits than its factorization.

554332639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312925 (or 11312918 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The square root of 554332639 is about 23544.2697699461. The cubic root of 554332639 is about 821.4670539926.

The spelling of 554332639 in words is "five hundred fifty-four million, three hundred thirty-two thousand, six hundred thirty-nine".