47548385 has 4 divisors (see below), whose sum is σ = 57058068. Its totient is φ = 38038704.

The previous prime is 47548379. The next prime is 47548409. The reversal of 47548385 is 58384574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28686736 + 18861649 = 5356^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 47548385 - 2¹⁰ = 47547361 is a prime.

It is a super-2 number, since 2×47548385² = 4521697832216450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754834 + ... + 4754843.

It is an arithmetic number, because the mean of its divisors is an integer number (14264517).

Almost surely, 2^47548385 is an apocalyptic number.

It is an amenable number.

47548385 is a deficient number, since it is larger than the sum of its proper divisors (9509683).

47548385 is an equidigital number, since it uses as much as digits as its factorization.

47548385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509682.

The product of its digits is 537600, while the sum is 44.

The square root of 47548385 is about 6895.5336994318. The cubic root of 47548385 is about 362.2807489073.

The spelling of 47548385 in words is "forty-seven million, five hundred forty-eight thousand, three hundred eighty-five".