47955497 has 2 divisors, whose sum is σ = 47955498. Its totient is φ = 47955496.

The previous prime is 47955433. The next prime is 47955499. The reversal of 47955497 is 79455974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30349081 + 17606416 = 5509^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 47955497 - 2⁶ = 47955433 is a prime.

Together with 47955499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47955499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23977748 + 23977749.

It is an arithmetic number, because the mean of its divisors is an integer number (23977749).

Almost surely, 2^47955497 is an apocalyptic number.

It is an amenable number.

47955497 is a deficient number, since it is larger than the sum of its proper divisors (1).

47955497 is an equidigital number, since it uses as much as digits as its factorization.

47955497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The square root of 47955497 is about 6924.9907581166. The cubic root of 47955497 is about 363.3117681184.

The spelling of 47955497 in words is "forty-seven million, nine hundred fifty-five thousand, four hundred ninety-seven".