554656931 has 2 divisors, whose sum is σ = 554656932. Its totient is φ = 554656930.

The previous prime is 554656919. The next prime is 554656969. The reversal of 554656931 is 139656455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554656931 is a prime.

It is a super-2 number, since 2×554656931² = 615288622212677522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (554656901) 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 as a sum of consecutive naturals, namely, 277328465 + 277328466.

It is an arithmetic number, because the mean of its divisors is an integer number (277328466).

Almost surely, 2^554656931 is an apocalyptic number.

554656931 is a deficient number, since it is larger than the sum of its proper divisors (1).

554656931 is an equidigital number, since it uses as much as digits as its factorization.

554656931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 44.

The square root of 554656931 is about 23551.1556192048. The cubic root of 554656931 is about 821.6272124990.

The spelling of 554656931 in words is "five hundred fifty-four million, six hundred fifty-six thousand, nine hundred thirty-one".