549605509850 has 48 divisors (see below), whose sum is σ = 1032700027968. Its totient is φ = 217607648640.

The previous prime is 549605509847. The next prime is 549605509889. The reversal of 549605509850 is 58905506945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2261339 + ... + 2492561.

It is an arithmetic number, because the mean of its divisors is an integer number (21514583916).

Almost surely, 2^549605509850 is an apocalyptic number.

549605509850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

549605509850 is a deficient number, since it is larger than the sum of its proper divisors (483094518118).

549605509850 is a wasteful number, since it uses less digits than its factorization.

549605509850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231719 (or 231714 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 56.

The spelling of 549605509850 in words is "five hundred forty-nine billion, six hundred five million, five hundred nine thousand, eight hundred fifty".