47855424 has 56 divisors (see below), whose sum is σ = 127211328. Its totient is φ = 15877120.

The previous prime is 47855419. The next prime is 47855441. The reversal of 47855424 is 42455874.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53509 + ... + 54395.

Almost surely, 2^47855424 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 47855424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63605664).

47855424 is an abundant number, since it is smaller than the sum of its proper divisors (79355904).

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

47855424 is a wasteful number, since it uses less digits than its factorization.

47855424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1173 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 47855424 is about 6917.7614876490. The cubic root of 47855424 is about 363.0588737998.

The spelling of 47855424 in words is "forty-seven million, eight hundred fifty-five thousand, four hundred twenty-four".