47585540 has 12 divisors (see below), whose sum is σ = 99929676. Its totient is φ = 19034208.

The previous prime is 47585537. The next prime is 47585579. The reversal of 47585540 is 4558574.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 30824704 = 4094^2 + 5552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47585494 and 47585503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189619 + ... + 1189658.

It is an arithmetic number, because the mean of its divisors is an integer number (8327473).

Almost surely, 2^47585540 is an apocalyptic number.

It is an amenable number.

47585540 is an abundant number, since it is smaller than the sum of its proper divisors (52344136).

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

47585540 is a wasteful number, since it uses less digits than its factorization.

47585540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379286 (or 2379284 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 47585540 is about 6898.2273085192. The cubic root of 47585540 is about 362.3750881553.

The spelling of 47585540 in words is "forty-seven million, five hundred eighty-five thousand, five hundred forty".