554655407 has 2 divisors, whose sum is σ = 554655408. Its totient is φ = 554655406.

The previous prime is 554655397. The next prime is 554655443. The reversal of 554655407 is 704556455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554655407 - 2¹² = 554651311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554655457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277327703 + 277327704.

It is an arithmetic number, because the mean of its divisors is an integer number (277327704).

Almost surely, 2^554655407 is an apocalyptic number.

554655407 is a deficient number, since it is larger than the sum of its proper divisors (1).

554655407 is an equidigital number, since it uses as much as digits as its factorization.

554655407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 41.

The square root of 554655407 is about 23551.1232640823. The cubic root of 554655407 is about 821.6264599852.

The spelling of 554655407 in words is "five hundred fifty-four million, six hundred fifty-five thousand, four hundred seven".