2550971544 has 128 divisors (see below), whose sum is σ = 7270560000. Its totient is φ = 738752000.

The previous prime is 2550971539. The next prime is 2550971587. The reversal of 2550971544 is 4451790552.

It is a junction number, because it is equal to n+sod(n) for n = 2550971496 and 2550971505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771607 + ... + 774905.

It is an arithmetic number, because the mean of its divisors is an integer number (56801250).

Almost surely, 2^2550971544 is an apocalyptic number.

2550971544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550971544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635280000).

2550971544 is an abundant number, since it is smaller than the sum of its proper divisors (4719588456).

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

2550971544 is a wasteful number, since it uses less digits than its factorization.

2550971544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 2550971544 is about 50507.1434947573. The cubic root of 2550971544 is about 1366.3706919907.

The spelling of 2550971544 in words is "two billion, five hundred fifty million, nine hundred seventy-one thousand, five hundred forty-four".