47488511 has 4 divisors (see below), whose sum is σ = 54272592. Its totient is φ = 40704432.

The previous prime is 47488499. The next prime is 47488513. The reversal of 47488511 is 11588474.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47488511 - 2¹⁸ = 47226367 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 (47488513) 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, 3392030 + ... + 3392043.

It is an arithmetic number, because the mean of its divisors is an integer number (13568148).

Almost surely, 2^47488511 is an apocalyptic number.

47488511 is a deficient number, since it is larger than the sum of its proper divisors (6784081).

47488511 is an equidigital number, since it uses as much as digits as its factorization.

47488511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784080.

The product of its digits is 35840, while the sum is 38.

The square root of 47488511 is about 6891.1908259749. The cubic root of 47488511 is about 362.1286210021.

The spelling of 47488511 in words is "forty-seven million, four hundred eighty-eight thousand, five hundred eleven".