48154991 has 2 divisors, whose sum is σ = 48154992. Its totient is φ = 48154990.

The previous prime is 48154921. The next prime is 48155017. The reversal of 48154991 is 19945184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48154991 - 2¹⁸ = 47892847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48154901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24077495 + 24077496.

It is an arithmetic number, because the mean of its divisors is an integer number (24077496).

Almost surely, 2^48154991 is an apocalyptic number.

48154991 is a deficient number, since it is larger than the sum of its proper divisors (1).

48154991 is an equidigital number, since it uses as much as digits as its factorization.

48154991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 48154991 is about 6939.3797273243. The cubic root of 48154991 is about 363.8148612702.

The spelling of 48154991 in words is "forty-eight million, one hundred fifty-four thousand, nine hundred ninety-one".