47989501 has 4 divisors (see below), whose sum is σ = 54845152. Its totient is φ = 41133852.

The previous prime is 47989483. The next prime is 47989507. The reversal of 47989501 is 10598974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47989501 - 2¹³ = 47981309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47989507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3427815 + ... + 3427828.

It is an arithmetic number, because the mean of its divisors is an integer number (13711288).

Almost surely, 2^47989501 is an apocalyptic number.

It is an amenable number.

47989501 is a deficient number, since it is larger than the sum of its proper divisors (6855651).

47989501 is an equidigital number, since it uses as much as digits as its factorization.

47989501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855650.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 47989501 is about 6927.4454887787. The cubic root of 47989501 is about 363.3976194828.

The spelling of 47989501 in words is "forty-seven million, nine hundred eighty-nine thousand, five hundred one".