48204991 has 2 divisors, whose sum is σ = 48204992. Its totient is φ = 48204990.

The previous prime is 48204983. The next prime is 48204997. The reversal of 48204991 is 19940284.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48204991 - 2³ = 48204983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48204991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48204997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24102495 + 24102496.

It is an arithmetic number, because the mean of its divisors is an integer number (24102496).

Almost surely, 2^48204991 is an apocalyptic number.

48204991 is a deficient number, since it is larger than the sum of its proper divisors (1).

48204991 is an equidigital number, since it uses as much as digits as its factorization.

48204991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 48204991 is about 6942.9814201105. The cubic root of 48204991 is about 363.9407357325.

The spelling of 48204991 in words is "forty-eight million, two hundred four thousand, nine hundred ninety-one".