47815488 has 224 divisors, whose sum is σ = 165811200. Its totient is φ = 13229568.

The previous prime is 47815483. The next prime is 47815489. The reversal of 47815488 is 88451874.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47815483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713631 + ... + 713697.

Almost surely, 2^47815488 is an apocalyptic number.

47815488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47815488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82905600).

47815488 is an abundant number, since it is smaller than the sum of its proper divisors (117995712).

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

47815488 is a wasteful number, since it uses less digits than its factorization.

47815488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 138 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 47815488 is about 6914.8744023301. The cubic root of 47815488 is about 362.9578531765.

The spelling of 47815488 in words is "forty-seven million, eight hundred fifteen thousand, four hundred eighty-eight".