54545909550 has 48 divisors (see below), whose sum is σ = 147571483392. Its totient is φ = 13223250400.

The previous prime is 54545909507. The next prime is 54545909569. The reversal of 54545909550 is 5590954545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54545909493 and 54545909502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16527414 + ... + 16530713.

It is an arithmetic number, because the mean of its divisors is an integer number (3074405904).

Almost surely, 2^54545909550 is an apocalyptic number.

54545909550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54545909550 is an abundant number, since it is smaller than the sum of its proper divisors (93025573842).

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

54545909550 is a wasteful number, since it uses less digits than its factorization.

54545909550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33058153 (or 33058148 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 54545909550 in words is "fifty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred fifty".