47005656 has 16 divisors (see below), whose sum is σ = 117514200. Its totient is φ = 15668544.

The previous prime is 47005633. The next prime is 47005667. The reversal of 47005656 is 65650074.

It is a congruent number.

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, 979261 + ... + 979308.

Almost surely, 2^47005656 is an apocalyptic number.

It is an amenable number.

47005656 is an abundant number, since it is smaller than the sum of its proper divisors (70508544).

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

47005656 is a wasteful number, since it uses less digits than its factorization.

47005656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958578 (or 1958574 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 47005656 is about 6856.0670941875. The cubic root of 47005656 is about 360.8970836888.

The spelling of 47005656 in words is "forty-seven million, five thousand, six hundred fifty-six".