6557387050 has 24 divisors (see below), whose sum is σ = 12914196876. Its totient is φ = 2468663040.

The previous prime is 6557386993. The next prime is 6557387051. The reversal of 6557387050 is 507837556.

It can be written as a sum of positive squares in 6 ways, for example, as 1460997729 + 5096389321 = 38223^2 + 71389^2 .

It is not an unprimeable number, because it can be changed into a prime (6557387051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856437 + ... + 3858136.

Almost surely, 2^6557387050 is an apocalyptic number.

6557387050 is a deficient number, since it is larger than the sum of its proper divisors (6356809826).

6557387050 is a wasteful number, since it uses less digits than its factorization.

6557387050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714602 (or 7714597 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 6557387050 is about 80977.6947683743. The cubic root of 6557387050 is about 1871.7317453309.

The spelling of 6557387050 in words is "six billion, five hundred fifty-seven million, three hundred eighty-seven thousand, fifty".