545400550056 has 32 divisors (see below), whose sum is σ = 1363543853760. Its totient is φ = 181794519552.

The previous prime is 545400550031. The next prime is 545400550063. The reversal of 545400550056 is 650055004545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545400549996 and 545400550023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471736 + ... + 1146008.

It is an arithmetic number, because the mean of its divisors is an integer number (42610745430).

Almost surely, 2^545400550056 is an apocalyptic number.

It is an amenable number.

545400550056 is an abundant number, since it is smaller than the sum of its proper divisors (818143303704).

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

545400550056 is a wasteful number, since it uses less digits than its factorization.

545400550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707985 (or 707981 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 545400550056 in words is "five hundred forty-five billion, four hundred million, five hundred fifty thousand, fifty-six".