47391548 has 24 divisors (see below), whose sum is σ = 87669120. Its totient is φ = 22353840.

The previous prime is 47391511. The next prime is 47391551. The reversal of 47391548 is 84519374.

47391548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18803 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (3652880).

Almost surely, 2^47391548 is an apocalyptic number.

It is an amenable number.

47391548 is a deficient number, since it is larger than the sum of its proper divisors (40277572).

47391548 is a wasteful number, since it uses less digits than its factorization.

47391548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 47391548 is about 6884.1519448658. The cubic root of 47391548 is about 361.8819858891.

The spelling of 47391548 in words is "forty-seven million, three hundred ninety-one thousand, five hundred forty-eight".