47153232 has 160 divisors (see below), whose sum is σ = 159989760. Its totient is φ = 13011840.

The previous prime is 47153221. The next prime is 47153237. The reversal of 47153232 is 23235174.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47153196 and 47153205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47153237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93493 + ... + 93995.

It is an arithmetic number, because the mean of its divisors is an integer number (999936).

Almost surely, 2^47153232 is an apocalyptic number.

47153232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47153232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79994880).

47153232 is an abundant number, since it is smaller than the sum of its proper divisors (112836528).

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

47153232 is a wasteful number, since it uses less digits than its factorization.

47153232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 546 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 47153232 is about 6866.8210985870. The cubic root of 47153232 is about 361.2743723853.

The spelling of 47153232 in words is "forty-seven million, one hundred fifty-three thousand, two hundred thirty-two".