56780365850 has 48 divisors (see below), whose sum is σ = 117657391320. Its totient is φ = 20242118400.

The previous prime is 56780365843. The next prime is 56780365853. The reversal of 56780365850 is 5856308765.

It can be written as a sum of positive squares in 12 ways, for example, as 7820395489 + 48959970361 = 88433^2 + 221269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56780365792 and 56780365801.

It is not an unprimeable number, because it can be changed into a prime (56780365853) by changing a digit.

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, 1487261 + ... + 1524960.

Almost surely, 2^56780365850 is an apocalyptic number.

56780365850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56780365850 is an abundant number, since it is smaller than the sum of its proper divisors (60877025470).

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

56780365850 is a wasteful number, since it uses less digits than its factorization.

56780365850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012275 (or 3012270 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 56780365850 in words is "fifty-six billion, seven hundred eighty million, three hundred sixty-five thousand, eight hundred fifty".