56984420745 has 48 divisors (see below), whose sum is σ = 113014766592. Its totient is φ = 26019711360.

The previous prime is 56984420693. The next prime is 56984420747. The reversal of 56984420745 is 54702448965.

56984420745 is a `hidden beast` number, since 569 + 8 + 4 + 4 + 2 + 0 + 74 + 5 = 666.

It is not a de Polignac number, because 56984420745 - 2⁶ = 56984420681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56984420691 and 56984420700.

It is not an unprimeable number, because it can be changed into a prime (56984420747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167035 + ... + 376655.

It is an arithmetic number, because the mean of its divisors is an integer number (2354474304).

Almost surely, 2^56984420745 is an apocalyptic number.

It is an amenable number.

56984420745 is a deficient number, since it is larger than the sum of its proper divisors (56030345847).

56984420745 is a wasteful number, since it uses less digits than its factorization.

56984420745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210502 (or 210499 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 56984420745 in words is "fifty-six billion, nine hundred eighty-four million, four hundred twenty thousand, seven hundred forty-five".