557025055 has 4 divisors (see below), whose sum is σ = 668430072. Its totient is φ = 445620040.

The previous prime is 557025037. The next prime is 557025061. The reversal of 557025055 is 550520755.

557025055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 557025055 - 2¹⁷ = 556893983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557025055.

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, 55702501 + ... + 55702510.

It is an arithmetic number, because the mean of its divisors is an integer number (167107518).

Almost surely, 2^557025055 is an apocalyptic number.

557025055 is a deficient number, since it is larger than the sum of its proper divisors (111405017).

557025055 is a wasteful number, since it uses less digits than its factorization.

557025055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111405016.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 557025055 is about 23601.3782436535. The cubic root of 557025055 is about 822.7948727625.

It can be divided in two parts, 5570 and 25055, that added together give a square (30625 = 175²).

The spelling of 557025055 in words is "five hundred fifty-seven million, twenty-five thousand, fifty-five".