2550278949 has 8 divisors (see below), whose sum is σ = 3400608672. Its totient is φ = 1700067600.

The previous prime is 2550278921. The next prime is 2550278977. The reversal of 2550278949 is 9498720552.

It is an interprime number because it is at equal distance from previous prime (2550278921) and next prime (2550278977).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2550278949 - 2⁵ = 2550278917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550278989) 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 7 ways as a sum of consecutive naturals, for example, 56274 + ... + 90924.

It is an arithmetic number, because the mean of its divisors is an integer number (425076084).

Almost surely, 2^2550278949 is an apocalyptic number.

It is an amenable number.

2550278949 is a deficient number, since it is larger than the sum of its proper divisors (850329723).

2550278949 is a wasteful number, since it uses less digits than its factorization.

2550278949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59187.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 2550278949 is about 50500.2866229490. The cubic root of 2550278949 is about 1366.2470231387.

The spelling of 2550278949 in words is "two billion, five hundred fifty million, two hundred seventy-eight thousand, nine hundred forty-nine".