47903544 has 96 divisors (see below), whose sum is σ = 142178400. Its totient is φ = 14480640.

The previous prime is 47903519. The next prime is 47903551. The reversal of 47903544 is 44530974.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47903499 and 47903508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56677 + ... + 57515.

It is an arithmetic number, because the mean of its divisors is an integer number (1481025).

Almost surely, 2^47903544 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 47903544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71089200).

47903544 is an abundant number, since it is smaller than the sum of its proper divisors (94274856).

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

47903544 is a wasteful number, since it uses less digits than its factorization.

47903544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 47903544 is about 6921.2386174730. The cubic root of 47903544 is about 363.1805217355.

The spelling of 47903544 in words is "forty-seven million, nine hundred three thousand, five hundred forty-four".