555917508479 has 2 divisors, whose sum is σ = 555917508480. Its totient is φ = 555917508478.

The previous prime is 555917508467. The next prime is 555917508533. The reversal of 555917508479 is 974805719555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555917508479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555917208479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277958754239 + 277958754240.

It is an arithmetic number, because the mean of its divisors is an integer number (277958754240).

Almost surely, 2^555917508479 is an apocalyptic number.

555917508479 is a deficient number, since it is larger than the sum of its proper divisors (1).

555917508479 is an equidigital number, since it uses as much as digits as its factorization.

555917508479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380000, while the sum is 65.

The spelling of 555917508479 in words is "five hundred fifty-five billion, nine hundred seventeen million, five hundred eight thousand, four hundred seventy-nine".