49509297 has 12 divisors (see below), whose sum is σ = 73177104. Its totient is φ = 32238360.

The previous prime is 49509289. The next prime is 49509323. The reversal of 49509297 is 79290594.

It is not a de Polignac number, because 49509297 - 2³ = 49509289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49509277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63579 + ... + 64352.

It is an arithmetic number, because the mean of its divisors is an integer number (6098092).

Almost surely, 2^49509297 is an apocalyptic number.

It is an amenable number.

49509297 is a deficient number, since it is larger than the sum of its proper divisors (23667807).

49509297 is a wasteful number, since it uses less digits than its factorization.

49509297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127980 (or 127977 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 49509297 is about 7036.2843177348. The cubic root of 49509297 is about 367.1940087948.

The spelling of 49509297 in words is "forty-nine million, five hundred nine thousand, two hundred ninety-seven".