618552055 has 16 divisors (see below), whose sum is σ = 857373984. Its totient is φ = 423393280.

The previous prime is 618552037. The next prime is 618552059. The reversal of 618552055 is 550255816.

It is not a de Polignac number, because 618552055 - 2⁵ = 618552023 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 (618552059) 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 15 ways as a sum of consecutive naturals, for example, 329842 + ... + 331711.

It is an arithmetic number, because the mean of its divisors is an integer number (53585874).

Almost surely, 2^618552055 is an apocalyptic number.

618552055 is a deficient number, since it is larger than the sum of its proper divisors (238821929).

618552055 is a wasteful number, since it uses less digits than its factorization.

618552055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661586.

The product of its (nonzero) digits is 60000, while the sum is 37.

The square root of 618552055 is about 24870.7067651886. The cubic root of 618552055 is about 852.0375822835.

The spelling of 618552055 in words is "six hundred eighteen million, five hundred fifty-two thousand, fifty-five".