47639485 has 12 divisors (see below), whose sum is σ = 58539132. Its totient is φ = 37218048.

The previous prime is 47639483. The next prime is 47639531. The reversal of 47639485 is 58493674.

It can be written as a sum of positive squares in 2 ways, for example, as 23609881 + 24029604 = 4859^2 + 4902^2 .

It is not a de Polignac number, because 47639485 - 2¹ = 47639483 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 (47639483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6669 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (4878261).

Almost surely, 2^47639485 is an apocalyptic number.

It is an amenable number.

47639485 is a deficient number, since it is larger than the sum of its proper divisors (10899647).

47639485 is an equidigital number, since it uses as much as digits as its factorization.

47639485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244 (or 5201 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 47639485 is about 6902.1362635057. The cubic root of 47639485 is about 362.5119710672.

The spelling of 47639485 in words is "forty-seven million, six hundred thirty-nine thousand, four hundred eighty-five".