561925055 has 8 divisors (see below), whose sum is σ = 713975472. Its totient is φ = 423096448.

The previous prime is 561925051. The next prime is 561925073. The reversal of 561925055 is 550529165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561925055 - 2² = 561925051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561925051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305357 + ... + 3305526.

It is an arithmetic number, because the mean of its divisors is an integer number (89246934).

Almost surely, 2^561925055 is an apocalyptic number.

561925055 is a deficient number, since it is larger than the sum of its proper divisors (152050417).

561925055 is a wasteful number, since it uses less digits than its factorization.

561925055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610905.

The product of its (nonzero) digits is 67500, while the sum is 38.

The square root of 561925055 is about 23704.9584475485. The cubic root of 561925055 is about 825.2004679660.

The spelling of 561925055 in words is "five hundred sixty-one million, nine hundred twenty-five thousand, fifty-five".