47457457056 has 72 divisors (see below), whose sum is σ = 138095717760. Its totient is φ = 15451261056.

The previous prime is 47457457051. The next prime is 47457457079. The reversal of 47457457056 is 65075475474.

47457457056 is a `hidden beast` number, since 474 + 5 + 74 + 57 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47457456993 and 47457457011.

It is not an unprimeable number, because it can be changed into a prime (47457457051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1903696 + ... + 1928463.

It is an arithmetic number, because the mean of its divisors is an integer number (1917996080).

Almost surely, 2^47457457056 is an apocalyptic number.

It is an amenable number.

47457457056 is an abundant number, since it is smaller than the sum of its proper divisors (90638260704).

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

47457457056 is a wasteful number, since it uses less digits than its factorization.

47457457056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832218 (or 3832207 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 54.

The spelling of 47457457056 in words is "forty-seven billion, four hundred fifty-seven million, four hundred fifty-seven thousand, fifty-six".