617131055 has 16 divisors (see below), whose sum is σ = 790732800. Its totient is φ = 461253408.

The previous prime is 617131051. The next prime is 617131061. The reversal of 617131055 is 550131716.

It is not a de Polignac number, because 617131055 - 2² = 617131051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617131051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57455 + ... + 67344.

It is an arithmetic number, because the mean of its divisors is an integer number (49420800).

Almost surely, 2^617131055 is an apocalyptic number.

617131055 is a deficient number, since it is larger than the sum of its proper divisors (173601745).

617131055 is a wasteful number, since it uses less digits than its factorization.

617131055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124870.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 617131055 is about 24842.1225944966. The cubic root of 617131055 is about 851.3846198646.

The spelling of 617131055 in words is "six hundred seventeen million, one hundred thirty-one thousand, fifty-five".