2155007454 has 16 divisors (see below), whose sum is σ = 4391336592. Its totient is φ = 704782208.

The previous prime is 2155007453. The next prime is 2155007473. The reversal of 2155007454 is 4547005512.

2155007454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155007453) 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, 3388059 + ... + 3388694.

It is an arithmetic number, because the mean of its divisors is an integer number (274458537).

Almost surely, 2^2155007454 is an apocalyptic number.

2155007454 is an abundant number, since it is smaller than the sum of its proper divisors (2236329138).

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

2155007454 is a wasteful number, since it uses less digits than its factorization.

2155007454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776811.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 2155007454 is about 46422.0578389196. The cubic root of 2155007454 is about 1291.6641091997.

The spelling of 2155007454 in words is "two billion, one hundred fifty-five million, seven thousand, four hundred fifty-four".