56947149826 has 8 divisors (see below), whose sum is σ = 97623685440. Its totient is φ = 24405921348.

The previous prime is 56947149821. The next prime is 56947149827. The reversal of 56947149826 is 62894174965.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (56947149821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033826766 + ... + 2033826793.

It is an arithmetic number, because the mean of its divisors is an integer number (12202960680).

Almost surely, 2^56947149826 is an apocalyptic number.

56947149826 is a deficient number, since it is larger than the sum of its proper divisors (40676535614).

56947149826 is a wasteful number, since it uses less digits than its factorization.

56947149826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067653568.

The product of its digits is 26127360, while the sum is 61.

The spelling of 56947149826 in words is "fifty-six billion, nine hundred forty-seven million, one hundred forty-nine thousand, eight hundred twenty-six".