2550530646 has 32 divisors (see below), whose sum is σ = 5685763680. Its totient is φ = 847489248.

The previous prime is 2550530629. The next prime is 2550530659. The reversal of 2550530646 is 6460350552.

It is a happy number.

2550530646 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 5 + 3 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2550530646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57381 + ... + 91616.

It is an arithmetic number, because the mean of its divisors is an integer number (177680115).

Almost surely, 2^2550530646 is an apocalyptic number.

2550530646 is an abundant number, since it is smaller than the sum of its proper divisors (3135233034).

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

2550530646 is a wasteful number, since it uses less digits than its factorization.

2550530646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149325 (or 149319 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 2550530646 is about 50502.7785968257. The cubic root of 2550530646 is about 1366.2919684135.

The spelling of 2550530646 in words is "two billion, five hundred fifty million, five hundred thirty thousand, six hundred forty-six".