47057448 has 64 divisors (see below), whose sum is σ = 123747840. Its totient is φ = 14883264.

The previous prime is 47057447. The next prime is 47057449. The reversal of 47057448 is 84475074.

It is an interprime number because it is at equal distance from previous prime (47057447) and next prime (47057449).

It is not an unprimeable number, because it can be changed into a prime (47057441) 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, 89715 + ... + 90237.

It is an arithmetic number, because the mean of its divisors is an integer number (1933560).

Almost surely, 2^47057448 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 47057448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61873920).

47057448 is an abundant number, since it is smaller than the sum of its proper divisors (76690392).

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

47057448 is a wasteful number, since it uses less digits than its factorization.

47057448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 47057448 is about 6859.8431468948. The cubic root of 47057448 is about 361.0295834955.

The spelling of 47057448 in words is "forty-seven million, fifty-seven thousand, four hundred forty-eight".