47663544 has 64 divisors (see below), whose sum is σ = 126028800. Its totient is φ = 14990976.

The previous prime is 47663543. The next prime is 47663557. The reversal of 47663544 is 44536674.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47663543) 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, 43062 + ... + 44154.

It is an arithmetic number, because the mean of its divisors is an integer number (1969200).

Almost surely, 2^47663544 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 47663544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63014400).

47663544 is an abundant number, since it is smaller than the sum of its proper divisors (78365256).

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

47663544 is a wasteful number, since it uses less digits than its factorization.

47663544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1200 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 47663544 is about 6903.8789097145. The cubic root of 47663544 is about 362.5729863343.

The spelling of 47663544 in words is "forty-seven million, six hundred sixty-three thousand, five hundred forty-four".