49648457 has 2 divisors, whose sum is σ = 49648458. Its totient is φ = 49648456.

The previous prime is 49648451. The next prime is 49648477. The reversal of 49648457 is 75484694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 12243001 = 6116^2 + 3499^2 .

It is a cyclic number.

It is not a de Polignac number, because 49648457 - 2⁶ = 49648393 is a prime.

It is not a weakly prime, because it can be changed into another prime (49648451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24824228 + 24824229.

It is an arithmetic number, because the mean of its divisors is an integer number (24824229).

Almost surely, 2^49648457 is an apocalyptic number.

It is an amenable number.

49648457 is a deficient number, since it is larger than the sum of its proper divisors (1).

49648457 is an equidigital number, since it uses as much as digits as its factorization.

49648457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 49648457 is about 7046.1661206645. The cubic root of 49648457 is about 367.5377214585.

It can be divided in two parts, 49648 and 457, that added together give a palindrome (50105).

The spelling of 49648457 in words is "forty-nine million, six hundred forty-eight thousand, four hundred fifty-seven".