555125513 has 6 divisors (see below), whose sum is σ = 564697434. Its totient is φ = 545713184.

The previous prime is 555125503. The next prime is 555125521. The reversal of 555125513 is 315521555.

It can be written as a sum of positive squares in only one way, i.e., 341030089 + 214095424 = 18467^2 + 14632^2 .

It is not a de Polignac number, because 555125513 - 2²² = 550931209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 555125513.

It is not an unprimeable number, because it can be changed into a prime (555125503) 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 in 5 ways as a sum of consecutive naturals, for example, 76256 + ... + 83217.

It is an arithmetic number, because the mean of its divisors is an integer number (94116239).

Almost surely, 2^555125513 is an apocalyptic number.

It is an amenable number.

555125513 is a deficient number, since it is larger than the sum of its proper divisors (9571921).

555125513 is an equidigital number, since it uses as much as digits as its factorization.

555125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159591 (or 159532 counting only the distinct ones).

The product of its digits is 18750, while the sum is 32.

The square root of 555125513 is about 23561.1016932570. The cubic root of 555125513 is about 821.8585214602.

The spelling of 555125513 in words is "five hundred fifty-five million, one hundred twenty-five thousand, five hundred thirteen".