56473636968 has 512 divisors, whose sum is σ = 192706560000. Its totient is φ = 14983170048.

The previous prime is 56473636963. The next prime is 56473636969. The reversal of 56473636968 is 86963637465.

It is a happy number.

56473636968 is a `hidden beast` number, since 564 + 7 + 3 + 6 + 3 + 6 + 9 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (56473636963) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 138077148 + ... + 138077556.

It is an arithmetic number, because the mean of its divisors is an integer number (376380000).

Almost surely, 2^56473636968 is an apocalyptic number.

56473636968 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56473636968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96353280000).

56473636968 is an abundant number, since it is smaller than the sum of its proper divisors (136232923032).

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

56473636968 is a wasteful number, since it uses less digits than its factorization.

56473636968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 564 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 56473636968 in words is "fifty-six billion, four hundred seventy-three million, six hundred thirty-six thousand, nine hundred sixty-eight".