47755387 has 2 divisors, whose sum is σ = 47755388. Its totient is φ = 47755386.

The previous prime is 47755369. The next prime is 47755391. The reversal of 47755387 is 78355774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47755387 - 2¹¹ = 47753339 is a prime.

It is not a weakly prime, because it can be changed into another prime (47755087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23877693 + 23877694.

It is an arithmetic number, because the mean of its divisors is an integer number (23877694).

Almost surely, 2^47755387 is an apocalyptic number.

47755387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47755387 is an equidigital number, since it uses as much as digits as its factorization.

47755387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 46.

The square root of 47755387 is about 6910.5272591894. The cubic root of 47755387 is about 362.8057178406.

The spelling of 47755387 in words is "forty-seven million, seven hundred fifty-five thousand, three hundred eighty-seven".