56405065350 has 48 divisors (see below), whose sum is σ = 147246914880. Its totient is φ = 14249700000.

The previous prime is 56405065333. The next prime is 56405065393. The reversal of 56405065350 is 5356050465.

It is a junction number, because it is equal to n+sod(n) for n = 56405065299 and 56405065308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9892776 + ... + 9898475.

It is an arithmetic number, because the mean of its divisors is an integer number (3067644060).

Almost surely, 2^56405065350 is an apocalyptic number.

56405065350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56405065350 is an abundant number, since it is smaller than the sum of its proper divisors (90841849530).

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

56405065350 is a wasteful number, since it uses less digits than its factorization.

56405065350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19791285 (or 19791280 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 56405065350 in words is "fifty-six billion, four hundred five million, sixty-five thousand, three hundred fifty".