49457497 has 2 divisors, whose sum is σ = 49457498. Its totient is φ = 49457496.

The previous prime is 49457491. The next prime is 49457509. The reversal of 49457497 is 79475494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44568976 + 4888521 = 6676^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 49457497 - 2¹¹ = 49455449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49457497.

It is not a weakly prime, because it can be changed into another prime (49457491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24728748 + 24728749.

It is an arithmetic number, because the mean of its divisors is an integer number (24728749).

Almost surely, 2^49457497 is an apocalyptic number.

It is an amenable number.

49457497 is a deficient number, since it is larger than the sum of its proper divisors (1).

49457497 is an equidigital number, since it uses as much as digits as its factorization.

49457497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 49457497 is about 7032.6024343766. The cubic root of 49457497 is about 367.0659029761.

The spelling of 49457497 in words is "forty-nine million, four hundred fifty-seven thousand, four hundred ninety-seven".