555401479 has 2 divisors, whose sum is σ = 555401480. Its totient is φ = 555401478.

The previous prime is 555401461. The next prime is 555401489. The reversal of 555401479 is 974104555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555401479 - 2⁷ = 555401351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555401489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277700739 + 277700740.

It is an arithmetic number, because the mean of its divisors is an integer number (277700740).

Almost surely, 2^555401479 is an apocalyptic number.

555401479 is a deficient number, since it is larger than the sum of its proper divisors (1).

555401479 is an equidigital number, since it uses as much as digits as its factorization.

555401479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 555401479 is about 23566.9573555858. The cubic root of 555401479 is about 821.9946873244.

The spelling of 555401479 in words is "five hundred fifty-five million, four hundred one thousand, four hundred seventy-nine".