48645657 has 8 divisors (see below), whose sum is σ = 72067680. Its totient is φ = 32430420.

The previous prime is 48645647. The next prime is 48645659. The reversal of 48645657 is 75654684.

48645657 is a `hidden beast` number, since 4 + 86 + 4 + 565 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-48645657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48645659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900819 + ... + 900872.

It is an arithmetic number, because the mean of its divisors is an integer number (9008460).

Almost surely, 2^48645657 is an apocalyptic number.

It is an amenable number.

48645657 is a deficient number, since it is larger than the sum of its proper divisors (23422023).

48645657 is a wasteful number, since it uses less digits than its factorization.

48645657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801700 (or 1801694 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 48645657 is about 6974.6438618757. The cubic root of 48645657 is about 365.0463617847.

The spelling of 48645657 in words is "forty-eight million, six hundred forty-five thousand, six hundred fifty-seven".