554139307 has 2 divisors, whose sum is σ = 554139308. Its totient is φ = 554139306.

The previous prime is 554139239. The next prime is 554139367. The reversal of 554139307 is 703931455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554139307 is a prime.

It is not a weakly prime, because it can be changed into another prime (554139367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277069653 + 277069654.

It is an arithmetic number, because the mean of its divisors is an integer number (277069654).

Almost surely, 2^554139307 is an apocalyptic number.

554139307 is a deficient number, since it is larger than the sum of its proper divisors (1).

554139307 is an equidigital number, since it uses as much as digits as its factorization.

554139307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 554139307 is about 23540.1636995158. The cubic root of 554139307 is about 821.3715431483.

The spelling of 554139307 in words is "five hundred fifty-four million, one hundred thirty-nine thousand, three hundred seven".