2550272921 has 16 divisors (see below), whose sum is σ = 2971862784. Its totient is φ = 2143063104.

The previous prime is 2550272917. The next prime is 2550272941. The reversal of 2550272921 is 1292720552.

It is not a de Polignac number, because 2550272921 - 2² = 2550272917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550272911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897515 + ... + 900351.

It is an arithmetic number, because the mean of its divisors is an integer number (185741424).

Almost surely, 2^2550272921 is an apocalyptic number.

It is an amenable number.

2550272921 is a deficient number, since it is larger than the sum of its proper divisors (421589863).

2550272921 is a wasteful number, since it uses less digits than its factorization.

2550272921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2550272921 is about 50500.2269400841. The cubic root of 2550272921 is about 1366.2459466886.

The spelling of 2550272921 in words is "two billion, five hundred fifty million, two hundred seventy-two thousand, nine hundred twenty-one".