50005555548 has 48 divisors (see below), whose sum is σ = 125962371360. Its totient is φ = 15348685824.

The previous prime is 50005555507. The next prime is 50005555549. The reversal of 50005555548 is 84555550005.

It is a happy number.

It is a super-2 number, since 2×50005555548² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005555549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328065 + ... + 455672.

It is an arithmetic number, because the mean of its divisors is an integer number (2624216070).

Almost surely, 2^50005555548 is an apocalyptic number.

It is an amenable number.

50005555548 is an abundant number, since it is smaller than the sum of its proper divisors (75956815812).

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

50005555548 is a wasteful number, since it uses less digits than its factorization.

50005555548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784166 (or 784164 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 50005555548 in words is "fifty billion, five million, five hundred fifty-five thousand, five hundred forty-eight".