48912531 has 16 divisors (see below), whose sum is σ = 68234400. Its totient is φ = 31125248.

The previous prime is 48912509. The next prime is 48912533. The reversal of 48912531 is 13521984.

48912531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 48912531 - 2⁵ = 48912499 is a prime.

It is a super-2 number, since 2×48912531² = 4784871377651922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48912492 and 48912501.

It is not an unprimeable number, because it can be changed into a prime (48912533) 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, 4585 + ... + 10901.

It is an arithmetic number, because the mean of its divisors is an integer number (4264650).

Almost surely, 2^48912531 is an apocalyptic number.

48912531 is a deficient number, since it is larger than the sum of its proper divisors (19321869).

48912531 is a wasteful number, since it uses less digits than its factorization.

48912531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438.

The product of its digits is 8640, while the sum is 33.

The square root of 48912531 is about 6993.7494235925. The cubic root of 48912531 is about 365.7127026662.

The spelling of 48912531 in words is "forty-eight million, nine hundred twelve thousand, five hundred thirty-one".