2155588458 has 16 divisors (see below), whose sum is σ = 4312483200. Its totient is φ = 718311776.

The previous prime is 2155588453. The next prime is 2155588481. The reversal of 2155588458 is 8548855512.

It is a happy number.

2155588458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2155588458.

It is not an unprimeable number, because it can be changed into a prime (2155588453) 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, 32283 + ... + 73166.

It is an arithmetic number, because the mean of its divisors is an integer number (269530200).

Almost surely, 2^2155588458 is an apocalyptic number.

2155588458 is an abundant number, since it is smaller than the sum of its proper divisors (2156894742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2155588458 is a wasteful number, since it uses less digits than its factorization.

2155588458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108861.

The product of its digits is 2560000, while the sum is 51.

The square root of 2155588458 is about 46428.3152612713. The cubic root of 2155588458 is about 1291.7801791124.

The spelling of 2155588458 in words is "two billion, one hundred fifty-five million, five hundred eighty-eight thousand, four hundred fifty-eight".