555540553 has 4 divisors (see below), whose sum is σ = 573461248. Its totient is φ = 537619860.

The previous prime is 555540547. The next prime is 555540593. The reversal of 555540553 is 355045555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555540553 - 2¹³ = 555532361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555540523) 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 3 ways as a sum of consecutive naturals, for example, 8960301 + ... + 8960362.

It is an arithmetic number, because the mean of its divisors is an integer number (143365312).

Almost surely, 2^555540553 is an apocalyptic number.

It is an amenable number.

555540553 is a deficient number, since it is larger than the sum of its proper divisors (17920695).

555540553 is a wasteful number, since it uses less digits than its factorization.

555540553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920694.

The product of its (nonzero) digits is 187500, while the sum is 37.

The square root of 555540553 is about 23569.9077851399. The cubic root of 555540553 is about 822.0632914801.

The spelling of 555540553 in words is "five hundred fifty-five million, five hundred forty thousand, five hundred fifty-three".