56146554500 has 48 divisors (see below), whose sum is σ = 129837275568. Its totient is φ = 21137523200.

The previous prime is 56146554481. The next prime is 56146554511. The reversal of 56146554500 is 545564165.

It can be written as a sum of positive squares in 8 ways, for example, as 21767461444 + 34379093056 = 147538^2 + 185416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294239 + ... + 3311238.

It is an arithmetic number, because the mean of its divisors is an integer number (2704943241).

Almost surely, 2^56146554500 is an apocalyptic number.

56146554500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56146554500 is an abundant number, since it is smaller than the sum of its proper divisors (73690721068).

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

56146554500 is a wasteful number, since it uses less digits than its factorization.

56146554500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605513 (or 6605501 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 56146554500 in words is "fifty-six billion, one hundred forty-six million, five hundred fifty-four thousand, five hundred".