49230991 has 2 divisors, whose sum is σ = 49230992. Its totient is φ = 49230990.

The previous prime is 49230967. The next prime is 49231003. The reversal of 49230991 is 19903294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49230991 - 2⁵ = 49230959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49230991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49230901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24615495 + 24615496.

It is an arithmetic number, because the mean of its divisors is an integer number (24615496).

Almost surely, 2^49230991 is an apocalyptic number.

49230991 is a deficient number, since it is larger than the sum of its proper divisors (1).

49230991 is an equidigital number, since it uses as much as digits as its factorization.

49230991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 49230991 is about 7016.4799579276. The cubic root of 49230991 is about 366.5046811577.

The spelling of 49230991 in words is "forty-nine million, two hundred thirty thousand, nine hundred ninety-one".