2550404243 has 16 divisors (see below), whose sum is σ = 2836814400. Its totient is φ = 2280554496.

The previous prime is 2550404231. The next prime is 2550404249. The reversal of 2550404243 is 3424040552.

It is a cyclic number.

It is not a de Polignac number, because 2550404243 - 2⁶ = 2550404179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550404249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36371 + ... + 80147.

It is an arithmetic number, because the mean of its divisors is an integer number (177300900).

Almost surely, 2^2550404243 is an apocalyptic number.

2550404243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2550404243 is a deficient number, since it is larger than the sum of its proper divisors (286410157).

2550404243 is a wasteful number, since it uses less digits than its factorization.

2550404243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43966.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2550404243 is about 50501.5271353253. The cubic root of 2550404243 is about 1366.2693971292.

Adding to 2550404243 its reverse (3424040552), we get a palindrome (5974444795).

The spelling of 2550404243 in words is "two billion, five hundred fifty million, four hundred four thousand, two hundred forty-three".