49697297 has 4 divisors (see below), whose sum is σ = 53520180. Its totient is φ = 45874416.

The previous prime is 49697281. The next prime is 49697299. The reversal of 49697297 is 79279694.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26666896 + 23030401 = 5164^2 + 4799^2 .

It is a cyclic number.

It is not a de Polignac number, because 49697297 - 2⁴ = 49697281 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (49697299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911422 + ... + 1911447.

It is an arithmetic number, because the mean of its divisors is an integer number (13380045).

Almost surely, 2^49697297 is an apocalyptic number.

It is an amenable number.

49697297 is a deficient number, since it is larger than the sum of its proper divisors (3822883).

49697297 is a wasteful number, since it uses less digits than its factorization.

49697297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822882.

The product of its digits is 1714608, while the sum is 53.

The square root of 49697297 is about 7049.6309832501. The cubic root of 49697297 is about 367.6581995864.

It can be divided in two parts, 49697 and 297, that added together give a palindrome (49994).

The spelling of 49697297 in words is "forty-nine million, six hundred ninety-seven thousand, two hundred ninety-seven".