48637657 has 2 divisors, whose sum is σ = 48637658. Its totient is φ = 48637656.

The previous prime is 48637649. The next prime is 48637681. The reversal of 48637657 is 75673684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 16556761 = 5664^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 48637657 - 2³ = 48637649 is a prime.

It is not a weakly prime, because it can be changed into another prime (48637607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24318828 + 24318829.

It is an arithmetic number, because the mean of its divisors is an integer number (24318829).

Almost surely, 2^48637657 is an apocalyptic number.

It is an amenable number.

48637657 is a deficient number, since it is larger than the sum of its proper divisors (1).

48637657 is an equidigital number, since it uses as much as digits as its factorization.

48637657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 48637657 is about 6974.0703323095. The cubic root of 48637657 is about 365.0263495083.

It can be divided in two parts, 48637 and 657, that added together give a palindrome (49294).

The spelling of 48637657 in words is "forty-eight million, six hundred thirty-seven thousand, six hundred fifty-seven".