48391087 has 2 divisors, whose sum is σ = 48391088. Its totient is φ = 48391086.

The previous prime is 48391073. The next prime is 48391097. The reversal of 48391087 is 78019384.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48391087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48391037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24195543 + 24195544.

It is an arithmetic number, because the mean of its divisors is an integer number (24195544).

Almost surely, 2^48391087 is an apocalyptic number.

48391087 is a deficient number, since it is larger than the sum of its proper divisors (1).

48391087 is an equidigital number, since it uses as much as digits as its factorization.

48391087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 48391087 is about 6956.3702460407. The cubic root of 48391087 is about 364.4084670148.

The spelling of 48391087 in words is "forty-eight million, three hundred ninety-one thousand, eighty-seven".