47578056 has 32 divisors (see below), whose sum is σ = 122784000. Its totient is φ = 15347520.

The previous prime is 47578051. The next prime is 47578057. The reversal of 47578056 is 65087574.

It is a junction number, because it is equal to n+sod(n) for n = 47577999 and 47578017.

It is not an unprimeable number, because it can be changed into a prime (47578051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31231 + ... + 32718.

It is an arithmetic number, because the mean of its divisors is an integer number (3837000).

Almost surely, 2^47578056 is an apocalyptic number.

It is an amenable number.

47578056 is an abundant number, since it is smaller than the sum of its proper divisors (75205944).

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

47578056 is a wasteful number, since it uses less digits than its factorization.

47578056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63989 (or 63985 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 47578056 is about 6897.6848289843. The cubic root of 47578056 is about 362.3560896854.

The spelling of 47578056 in words is "forty-seven million, five hundred seventy-eight thousand, fifty-six".