47891534 has 8 divisors (see below), whose sum is σ = 71895648. Its totient is φ = 23926320.

The previous prime is 47891513. The next prime is 47891549. The reversal of 47891534 is 43519874.

47891534 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 Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47891491 and 47891500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6422 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (8986956).

Almost surely, 2^47891534 is an apocalyptic number.

47891534 is a deficient number, since it is larger than the sum of its proper divisors (24004114).

47891534 is a wasteful number, since it uses less digits than its factorization.

47891534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19450.

The product of its digits is 120960, while the sum is 41.

The square root of 47891534 is about 6920.3709438151. The cubic root of 47891534 is about 363.1501679434.

The spelling of 47891534 in words is "forty-seven million, eight hundred ninety-one thousand, five hundred thirty-four".