48211591 has 2 divisors, whose sum is σ = 48211592. Its totient is φ = 48211590.

The previous prime is 48211589. The next prime is 48211637. The reversal of 48211591 is 19511284.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48211591 - 2¹ = 48211589 is a prime.

Together with 48211589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48211511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24105795 + 24105796.

It is an arithmetic number, because the mean of its divisors is an integer number (24105796).

Almost surely, 2^48211591 is an apocalyptic number.

48211591 is a deficient number, since it is larger than the sum of its proper divisors (1).

48211591 is an equidigital number, since it uses as much as digits as its factorization.

48211591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 31.

The square root of 48211591 is about 6943.4567039768. The cubic root of 48211591 is about 363.9573446575.

The spelling of 48211591 in words is "forty-eight million, two hundred eleven thousand, five hundred ninety-one".