554221971 has 6 divisors (see below), whose sum is σ = 800542860. Its totient is φ = 369481308.

The previous prime is 554221949. The next prime is 554222029. The reversal of 554221971 is 179122455.

554221971 is a `hidden beast` number, since 5 + 542 + 21 + 97 + 1 = 666.

It is not a de Polignac number, because 554221971 - 2⁵ = 554221939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (554221571) 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, 30790101 + ... + 30790118.

It is an arithmetic number, because the mean of its divisors is an integer number (133423810).

Almost surely, 2^554221971 is an apocalyptic number.

554221971 is a deficient number, since it is larger than the sum of its proper divisors (246320889).

554221971 is a wasteful number, since it uses less digits than its factorization.

554221971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61580225 (or 61580222 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 554221971 is about 23541.9194417108. The cubic root of 554221971 is about 821.4123839503.

The spelling of 554221971 in words is "five hundred fifty-four million, two hundred twenty-one thousand, nine hundred seventy-one".