47755456 has 112 divisors (see below), whose sum is σ = 115515136. Its totient is φ = 19160064.

The previous prime is 47755441. The next prime is 47755457. The reversal of 47755456 is 65455774.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47755457) 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, 712735 + ... + 712801.

Almost surely, 2^47755456 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 47755456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57757568).

47755456 is an abundant number, since it is smaller than the sum of its proper divisors (67759680).

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

47755456 is a wasteful number, since it uses less digits than its factorization.

47755456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 47755456 is about 6910.5322515708. The cubic root of 47755456 is about 362.8058925754.

The spelling of 47755456 in words is "forty-seven million, seven hundred fifty-five thousand, four hundred fifty-six".