555040513 has 2 divisors, whose sum is σ = 555040514. Its totient is φ = 555040512.

The previous prime is 555040489. The next prime is 555040543. The reversal of 555040513 is 315040555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523814769 + 31225744 = 22887^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 555040513 - 2¹³ = 555032321 is a prime.

It is equal to p_29096020 and since 555040513 and 29096020 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (555040543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277520256 + 277520257.

It is an arithmetic number, because the mean of its divisors is an integer number (277520257).

Almost surely, 2^555040513 is an apocalyptic number.

It is an amenable number.

555040513 is a deficient number, since it is larger than the sum of its proper divisors (1).

555040513 is an equidigital number, since it uses as much as digits as its factorization.

555040513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 555040513 is about 23559.2978036273. The cubic root of 555040513 is about 821.8165720641.

The spelling of 555040513 in words is "five hundred fifty-five million, forty thousand, five hundred thirteen".