47408556 has 72 divisors (see below), whose sum is σ = 121520784. Its totient is φ = 14376960.

The previous prime is 47408551. The next prime is 47408573. The reversal of 47408556 is 65580474.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (47408551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196596 + ... + 196836.

Almost surely, 2^47408556 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 47408556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60760392).

47408556 is an abundant number, since it is smaller than the sum of its proper divisors (74112228).

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

47408556 is a wasteful number, since it uses less digits than its factorization.

47408556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 47408556 is about 6885.3871350854. The cubic root of 47408556 is about 361.9252717557.

The spelling of 47408556 in words is "forty-seven million, four hundred eight thousand, five hundred fifty-six".