2109053554 has 4 divisors (see below), whose sum is σ = 3163580334. Its totient is φ = 1054526776.

The previous prime is 2109053437. The next prime is 2109053579. The reversal of 2109053554 is 4553509012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2068157529 + 40896025 = 45477^2 + 6395^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 527263387 + ... + 527263390.

Almost surely, 2^2109053554 is an apocalyptic number.

2109053554 is a deficient number, since it is larger than the sum of its proper divisors (1054526780).

2109053554 is a wasteful number, since it uses less digits than its factorization.

2109053554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054526779.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2109053554 is about 45924.4330830550. The cubic root of 2109053554 is about 1282.4168112251.

The spelling of 2109053554 in words is "two billion, one hundred nine million, fifty-three thousand, five hundred fifty-four".