555250055 has 4 divisors (see below), whose sum is σ = 666300072. Its totient is φ = 444200040.

The previous prime is 555250027. The next prime is 555250079. The reversal of 555250055 is 550052555.

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

It is not a de Polignac number, because 555250055 - 2⁶ = 555249991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55525001 + ... + 55525010.

It is an arithmetic number, because the mean of its divisors is an integer number (166575018).

Almost surely, 2^555250055 is an apocalyptic number.

555250055 is a deficient number, since it is larger than the sum of its proper divisors (111050017).

555250055 is a wasteful number, since it uses less digits than its factorization.

555250055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050016.

The product of its (nonzero) digits is 31250, while the sum is 32.

The square root of 555250055 is about 23563.7445029435. The cubic root of 555250055 is about 821.9199779825.

It can be divided in two parts, 5552500 and 55, that added together give a palindrome (5552555).

The spelling of 555250055 in words is "five hundred fifty-five million, two hundred fifty thousand, fifty-five".