48278529 has 12 divisors (see below), whose sum is σ = 75100116. Its totient is φ = 29709792.

The previous prime is 48278519. The next prime is 48278539. The reversal of 48278529 is 92587284.

It is an interprime number because it is at equal distance from previous prime (48278519) and next prime (48278539).

It can be written as a sum of positive squares in 2 ways, for example, as 12852225 + 35426304 = 3585^2 + 5952^2 .

It is not a de Polignac number, because 48278529 - 2⁸ = 48278273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48278519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206202 + ... + 206435.

It is an arithmetic number, because the mean of its divisors is an integer number (6258343).

Almost surely, 2^48278529 is an apocalyptic number.

It is an amenable number.

48278529 is a deficient number, since it is larger than the sum of its proper divisors (26821587).

48278529 is a wasteful number, since it uses less digits than its factorization.

48278529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412656 (or 412653 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 48278529 is about 6948.2752536151. The cubic root of 48278529 is about 364.1257088049.

The spelling of 48278529 in words is "forty-eight million, two hundred seventy-eight thousand, five hundred twenty-nine".