47791548 has 72 divisors (see below), whose sum is σ = 140372960. Its totient is φ = 13426560.

The previous prime is 47791547. The next prime is 47791589. The reversal of 47791548 is 84519774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47791543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13818 + ... + 16926.

Almost surely, 2^47791548 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 47791548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70186480).

47791548 is an abundant number, since it is smaller than the sum of its proper divisors (92581412).

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

47791548 is a wasteful number, since it uses less digits than its factorization.

47791548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3182 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 47791548 is about 6913.1431346385. The cubic root of 47791548 is about 362.8972684724.

The spelling of 47791548 in words is "forty-seven million, seven hundred ninety-one thousand, five hundred forty-eight".