48506991 has 16 divisors (see below), whose sum is σ = 69844320. Its totient is φ = 29767680.

The previous prime is 48506989. The next prime is 48506993. The reversal of 48506991 is 19960584.

48506991 = 585² + 586² + ... + 701².

48506991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48506989) and next prime (48506993).

It is not a de Polignac number, because 48506991 - 2¹ = 48506989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48506993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14431 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (4365270).

Almost surely, 2^48506991 is an apocalyptic number.

48506991 is a deficient number, since it is larger than the sum of its proper divisors (21337329).

48506991 is a wasteful number, since it uses less digits than its factorization.

48506991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 48506991 is about 6964.6960450547. The cubic root of 48506991 is about 364.6991729107.

The spelling of 48506991 in words is "forty-eight million, five hundred six thousand, nine hundred ninety-one".