47566091 has 2 divisors, whose sum is σ = 47566092. Its totient is φ = 47566090.

The previous prime is 47566081. The next prime is 47566097. The reversal of 47566091 is 19066574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47566091 - 2¹⁴ = 47549707 is a prime.

It is not a weakly prime, because it can be changed into another prime (47566097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23783045 + 23783046.

It is an arithmetic number, because the mean of its divisors is an integer number (23783046).

Almost surely, 2^47566091 is an apocalyptic number.

47566091 is a deficient number, since it is larger than the sum of its proper divisors (1).

47566091 is an equidigital number, since it uses as much as digits as its factorization.

47566091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 47566091 is about 6896.8174544496. The cubic root of 47566091 is about 362.3257118567.

It can be divided in two parts, 475 and 66091, that added together give a palindrome (66566).

The spelling of 47566091 in words is "forty-seven million, five hundred sixty-six thousand, ninety-one".