555475634347553 has 4 divisors (see below), whose sum is σ = 555475706270100. Its totient is φ = 555475562425008.

The previous prime is 555475634347541. The next prime is 555475634347603. The reversal of 555475634347553 is 355743436574555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289184411408929 + 266291222938624 = 17005423^2 + 16318432^2 .

It is a cyclic number.

It is not a de Polignac number, because 555475634347553 - 2¹⁴ = 555475634331169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555475634347523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22761350 + ... + 40361247.

It is an arithmetic number, because the mean of its divisors is an integer number (138868926567525).

Almost surely, 2^{555475634347553} is an apocalyptic number.

It is an amenable number.

555475634347553 is a deficient number, since it is larger than the sum of its proper divisors (71922547).

555475634347553 is an equidigital number, since it uses as much as digits as its factorization.

555475634347553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71922546.

The product of its digits is 7938000000, while the sum is 71.

The spelling of 555475634347553 in words is "five hundred fifty-five trillion, four hundred seventy-five billion, six hundred thirty-four million, three hundred forty-seven thousand, five hundred fifty-three".