56672784450 has 36 divisors (see below), whose sum is σ = 152260882098. Its totient is φ = 15112742400.

The previous prime is 56672784391. The next prime is 56672784457. The reversal of 56672784450 is 5448727665.

It is a happy number.

56672784450 is a `hidden beast` number, since 5 + 66 + 72 + 78 + 445 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 43521052689 + 13151731761 = 208617^2 + 114681^2 .

It is not an unprimeable number, because it can be changed into a prime (56672784457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62969311 + ... + 62970210.

Almost surely, 2^56672784450 is an apocalyptic number.

56672784450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56672784450 is an abundant number, since it is smaller than the sum of its proper divisors (95588097648).

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

56672784450 is a wasteful number, since it uses less digits than its factorization.

56672784450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125939539 (or 125939531 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 56672784450 in words is "fifty-six billion, six hundred seventy-two million, seven hundred eighty-four thousand, four hundred fifty".