2550530581 has 8 divisors (see below), whose sum is σ = 2573208000. Its totient is φ = 2527929600.

The previous prime is 2550530579. The next prime is 2550530629. The reversal of 2550530581 is 1850350552.

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

It is a cyclic number.

It is not a de Polignac number, because 2550530581 - 2¹ = 2550530579 is a prime.

It is a super-2 number, since 2×2550530581² = 13010412489232395122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550533581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48990 + ... + 86608.

It is an arithmetic number, because the mean of its divisors is an integer number (321651000).

Almost surely, 2^2550530581 is an apocalyptic number.

It is an amenable number.

2550530581 is a deficient number, since it is larger than the sum of its proper divisors (22677419).

2550530581 is a wasteful number, since it uses less digits than its factorization.

2550530581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38219.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2550530581 is about 50502.7779532968. Note that the first 3 decimals coincide. The cubic root of 2550530581 is about 1366.2919568069.

The spelling of 2550530581 in words is "two billion, five hundred fifty million, five hundred thirty thousand, five hundred eighty-one".