47543920 has 20 divisors (see below), whose sum is σ = 110539800. Its totient is φ = 19017536.

The previous prime is 47543897. The next prime is 47543941. The reversal of 47543920 is 2934574.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297070 + ... + 297229.

It is an arithmetic number, because the mean of its divisors is an integer number (5526990).

Almost surely, 2^47543920 is an apocalyptic number.

47543920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47543920 is an abundant number, since it is smaller than the sum of its proper divisors (62995880).

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

47543920 is a wasteful number, since it uses less digits than its factorization.

47543920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594312 (or 594306 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 47543920 is about 6895.2099315394. The cubic root of 47543920 is about 362.2694086400.

The spelling of 47543920 in words is "forty-seven million, five hundred forty-three thousand, nine hundred twenty".