47445656 has 8 divisors (see below), whose sum is σ = 88960620. Its totient is φ = 23722824.

The previous prime is 47445631. The next prime is 47445667. The reversal of 47445656 is 65654474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965346 + ... + 2965361.

Almost surely, 2^47445656 is an apocalyptic number.

It is an amenable number.

47445656 is a deficient number, since it is larger than the sum of its proper divisors (41514964).

47445656 is a wasteful number, since it uses less digits than its factorization.

47445656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930713 (or 5930709 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 47445656 is about 6888.0807196199. The cubic root of 47445656 is about 362.0196564523.

The spelling of 47445656 in words is "forty-seven million, four hundred forty-five thousand, six hundred fifty-six".