47504385 has 24 divisors (see below), whose sum is σ = 83474664. Its totient is φ = 24986880.

The previous prime is 47504333. The next prime is 47504419. The reversal of 47504385 is 58340574.

It can be written as a sum of positive squares in 4 ways, for example, as 266256 + 47238129 = 516^2 + 6873^2 .

It is not a de Polignac number, because 47504385 - 2¹⁰ = 47503361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3946 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (3478111).

Almost surely, 2^47504385 is an apocalyptic number.

47504385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47504385 is a deficient number, since it is larger than the sum of its proper divisors (35970279).

47504385 is a wasteful number, since it uses less digits than its factorization.

47504385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14545 (or 14542 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 47504385 is about 6892.3424900392. The cubic root of 47504385 is about 362.1689661243.

The spelling of 47504385 in words is "forty-seven million, five hundred four thousand, three hundred eighty-five".