549507975550 has 24 divisors (see below), whose sum is σ = 1047013736832. Its totient is φ = 214442136000.

The previous prime is 549507975547. The next prime is 549507975617. The reversal of 549507975550 is 55579705945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134024286 + ... + 134028385.

It is an arithmetic number, because the mean of its divisors is an integer number (43625572368).

Almost surely, 2^549507975550 is an apocalyptic number.

549507975550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

549507975550 is a deficient number, since it is larger than the sum of its proper divisors (497505761282).

549507975550 is a wasteful number, since it uses less digits than its factorization.

549507975550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268052724 (or 268052719 counting only the distinct ones).

The product of its (nonzero) digits is 49612500, while the sum is 61.

The spelling of 549507975550 in words is "five hundred forty-nine billion, five hundred seven million, nine hundred seventy-five thousand, five hundred fifty".