554089491 has 40 divisors (see below), whose sum is σ = 849913680. Its totient is φ = 359624448.

The previous prime is 554089469. The next prime is 554089499. The reversal of 554089491 is 194980455.

554089491 is a `hidden beast` number, since 554 + 0 + 8 + 9 + 4 + 91 = 666.

It is not a de Polignac number, because 554089491 - 2⁹ = 554088979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (554089499) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 490215 + ... + 491343.

It is an arithmetic number, because the mean of its divisors is an integer number (21247842).

Almost surely, 2^554089491 is an apocalyptic number.

554089491 is a deficient number, since it is larger than the sum of its proper divisors (295824189).

554089491 is a wasteful number, since it uses less digits than its factorization.

554089491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 554089491 is about 23539.1055692437. The cubic root of 554089491 is about 821.3469291986.

The spelling of 554089491 in words is "five hundred fifty-four million, eighty-nine thousand, four hundred ninety-one".