49667257 has 2 divisors, whose sum is σ = 49667258. Its totient is φ = 49667256.

The previous prime is 49667207. The next prime is 49667339. The reversal of 49667257 is 75276694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34527376 + 15139881 = 5876^2 + 3891^2 .

It is a cyclic number.

It is not a de Polignac number, because 49667257 - 2⁷ = 49667129 is a prime.

It is a Chen prime.

It is the 7048-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (49667207) by changing a digit.

It is a nontrivial repunit in base 7047.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24833628 + 24833629.

It is an arithmetic number, because the mean of its divisors is an integer number (24833629).

Almost surely, 2^49667257 is an apocalyptic number.

It is an amenable number.

49667257 is a deficient number, since it is larger than the sum of its proper divisors (1).

49667257 is an equidigital number, since it uses as much as digits as its factorization.

49667257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 49667257 is about 7047.5000532104. The cubic root of 49667257 is about 367.5841064999.

The spelling of 49667257 in words is "forty-nine million, six hundred sixty-seven thousand, two hundred fifty-seven".