47991532501 has 8 divisors (see below), whose sum is σ = 52834716000. Its totient is φ = 43228401840.

The previous prime is 47991532483. The next prime is 47991532513. The reversal of 47991532501 is 10523519974.

47991532501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47991532501 - 2⁷ = 47991532373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47991532531) 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, 20011951 + ... + 20014348.

It is an arithmetic number, because the mean of its divisors is an integer number (6604339500).

Almost surely, 2^47991532501 is an apocalyptic number.

It is an amenable number.

47991532501 is a deficient number, since it is larger than the sum of its proper divisors (4843183499).

47991532501 is a wasteful number, since it uses less digits than its factorization.

47991532501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40026419.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 47991532501 in words is "forty-seven billion, nine hundred ninety-one million, five hundred thirty-two thousand, five hundred one".