48990139 has 16 divisors (see below), whose sum is σ = 54552960. Its totient is φ = 43623360.

The previous prime is 48990127. The next prime is 48990143. The reversal of 48990139 is 93109984.

It is not a de Polignac number, because 48990139 - 2⁹ = 48989627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48990095 and 48990104.

It is not an unprimeable number, because it can be changed into a prime (48990439) 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 in 15 ways as a sum of consecutive naturals, for example, 159424 + ... + 159730.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^48990139 is an apocalyptic number.

48990139 is a deficient number, since it is larger than the sum of its proper divisors (5562821).

48990139 is a wasteful number, since it uses less digits than its factorization.

48990139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 48990139 is about 6999.2956074165. The cubic root of 48990139 is about 365.9060221353.

The spelling of 48990139 in words is "forty-eight million, nine hundred ninety thousand, one hundred thirty-nine".