47451656 has 64 divisors (see below), whose sum is σ = 107136000. Its totient is φ = 19272960.

The previous prime is 47451653. The next prime is 47451659. The reversal of 47451656 is 65615474.

It is an interprime number because it is at equal distance from previous prime (47451653) and next prime (47451659).

It is not an unprimeable number, because it can be changed into a prime (47451653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98825 + ... + 99303.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^47451656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47451656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53568000).

47451656 is an abundant number, since it is smaller than the sum of its proper divisors (59684344).

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

47451656 is a wasteful number, since it uses less digits than its factorization.

47451656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 47451656 is about 6888.5162408170. The cubic root of 47451656 is about 362.0349162011.

The spelling of 47451656 in words is "forty-seven million, four hundred fifty-one thousand, six hundred fifty-six".