554398091 has 8 divisors (see below), whose sum is σ = 597258144. Its totient is φ = 511568640.

The previous prime is 554398081. The next prime is 554398129. The reversal of 554398091 is 190893455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 554398091 - 2⁶ = 554398027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554398051) 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 7 ways as a sum of consecutive naturals, for example, 41915 + ... + 53531.

It is an arithmetic number, because the mean of its divisors is an integer number (74657268).

Almost surely, 2^554398091 is an apocalyptic number.

554398091 is a deficient number, since it is larger than the sum of its proper divisors (42860053).

554398091 is a wasteful number, since it uses less digits than its factorization.

554398091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 554398091 is about 23545.6597061964. The cubic root of 554398091 is about 821.4993838862.

The spelling of 554398091 in words is "five hundred fifty-four million, three hundred ninety-eight thousand, ninety-one".