47231536 has 40 divisors (see below), whose sum is σ = 102542544. Its totient is φ = 20885760.

The previous prime is 47231521. The next prime is 47231537. The reversal of 47231536 is 63513274.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47231498 and 47231507.

It is not an unprimeable number, because it can be changed into a prime (47231537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886 + ... + 10138.

Almost surely, 2^47231536 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 47231536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51271272).

47231536 is an abundant number, since it is smaller than the sum of its proper divisors (55311008).

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

47231536 is a wasteful number, since it uses less digits than its factorization.

47231536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309 (or 7303 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 47231536 is about 6872.5203528254. The cubic root of 47231536 is about 361.4742426267.

The spelling of 47231536 in words is "forty-seven million, two hundred thirty-one thousand, five hundred thirty-six".