49309497 has 12 divisors (see below), whose sum is σ = 71285760. Its totient is φ = 32844888.

The previous prime is 49309487. The next prime is 49309501. The reversal of 49309497 is 79490394.

It is not a de Polignac number, because 49309497 - 2⁸ = 49309241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49309487) 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, 18928 + ... + 21374.

It is an arithmetic number, because the mean of its divisors is an integer number (5940480).

Almost surely, 2^49309497 is an apocalyptic number.

It is an amenable number.

49309497 is a deficient number, since it is larger than the sum of its proper divisors (21976263).

49309497 is a wasteful number, since it uses less digits than its factorization.

49309497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4689 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 49309497 is about 7022.0721300767. The cubic root of 49309497 is about 366.6993927631.

The spelling of 49309497 in words is "forty-nine million, three hundred nine thousand, four hundred ninety-seven".