56421316350 has 72 divisors (see below), whose sum is σ = 173240318160. Its totient is φ = 12896300160.

The previous prime is 56421316339. The next prime is 56421316351. The reversal of 56421316350 is 5361312465.

56421316350 is a `hidden beast` number, since 5 + 6 + 4 + 2 + 13 + 1 + 635 + 0 = 666.

It is a super-3 number, since 3×56421316350³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56421316351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8952615 + ... + 8958914.

It is an arithmetic number, because the mean of its divisors is an integer number (2406115530).

Almost surely, 2^56421316350 is an apocalyptic number.

56421316350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56421316350 is an abundant number, since it is smaller than the sum of its proper divisors (116819001810).

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

56421316350 is a wasteful number, since it uses less digits than its factorization.

56421316350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17911554 (or 17911546 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 56421316350 in words is "fifty-six billion, four hundred twenty-one million, three hundred sixteen thousand, three hundred fifty".