56461478946 has 8 divisors (see below), whose sum is σ = 112922957904. Its totient is φ = 18820492980.

The previous prime is 56461478903. The next prime is 56461478951. The reversal of 56461478946 is 64987416465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

56461478946 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 56461478946.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4705123240 + ... + 4705123251.

It is an arithmetic number, because the mean of its divisors is an integer number (14115369738).

Almost surely, 2^56461478946 is an apocalyptic number.

56461478946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56461478946 is a wasteful number, since it uses less digits than its factorization.

56461478946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410246496.

The product of its digits is 34836480, while the sum is 60.

The spelling of 56461478946 in words is "fifty-six billion, four hundred sixty-one million, four hundred seventy-eight thousand, nine hundred forty-six".