48987657 has 24 divisors (see below), whose sum is σ = 74101248. Its totient is φ = 31147200.

The previous prime is 48987649. The next prime is 48987671. The reversal of 48987657 is 75678984.

It is not a de Polignac number, because 48987657 - 2³ = 48987649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48987637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18573 + ... + 21045.

It is an arithmetic number, because the mean of its divisors is an integer number (3087552).

Almost surely, 2^48987657 is an apocalyptic number.

It is an amenable number.

48987657 is a deficient number, since it is larger than the sum of its proper divisors (25113591).

48987657 is a wasteful number, since it uses less digits than its factorization.

48987657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2578 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 48987657 is about 6999.1183016149. The cubic root of 48987657 is about 365.8998427007.

The spelling of 48987657 in words is "forty-eight million, nine hundred eighty-seven thousand, six hundred fifty-seven".