47556140 has 24 divisors (see below), whose sum is σ = 105743232. Its totient is φ = 17903360.

The previous prime is 47556133. The next prime is 47556167. The reversal of 47556140 is 4165574.

47556140 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

47556140 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 47556097 and 47556106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69596 + ... + 70275.

It is an arithmetic number, because the mean of its divisors is an integer number (4405968).

Almost surely, 2^47556140 is an apocalyptic number.

It is an amenable number.

47556140 is an abundant number, since it is smaller than the sum of its proper divisors (58187092).

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

47556140 is a wasteful number, since it uses less digits than its factorization.

47556140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139897 (or 139895 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 47556140 is about 6896.0959970116. The cubic root of 47556140 is about 362.3004434737.

The spelling of 47556140 in words is "forty-seven million, five hundred fifty-six thousand, one hundred forty".