47901543 has 4 divisors (see below), whose sum is σ = 63868728. Its totient is φ = 31934360.

The previous prime is 47901523. The next prime is 47901551. The reversal of 47901543 is 34510974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47901543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47901523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7983588 + ... + 7983593.

It is an arithmetic number, because the mean of its divisors is an integer number (15967182).

Almost surely, 2^47901543 is an apocalyptic number.

47901543 is a deficient number, since it is larger than the sum of its proper divisors (15967185).

47901543 is a wasteful number, since it uses less digits than its factorization.

47901543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15967184.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 47901543 is about 6921.0940609126. The cubic root of 47901543 is about 363.1754648073.

The spelling of 47901543 in words is "forty-seven million, nine hundred one thousand, five hundred forty-three".