616600055 has 8 divisors (see below), whose sum is σ = 741376800. Its totient is φ = 492308896.

The previous prime is 616600043. The next prime is 616600057. The reversal of 616600055 is 550006616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616600055 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616600057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118595 + ... + 123684.

It is an arithmetic number, because the mean of its divisors is an integer number (92672100).

Almost surely, 2^616600055 is an apocalyptic number.

616600055 is a deficient number, since it is larger than the sum of its proper divisors (124776745).

616600055 is a wasteful number, since it uses less digits than its factorization.

616600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242793.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 616600055 is about 24831.4328019951. The cubic root of 616600055 is about 851.1403632870.

The spelling of 616600055 in words is "six hundred sixteen million, six hundred thousand, fifty-five".