49129297 has 4 divisors (see below), whose sum is σ = 56147776. Its totient is φ = 42110820.

The previous prime is 49129273. The next prime is 49129309. The reversal of 49129297 is 79292194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79292194 = 2 ⋅39646097.

It is a cyclic number.

It is not a de Polignac number, because 49129297 - 2¹⁹ = 48605009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49129207) 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, 3509229 + ... + 3509242.

It is an arithmetic number, because the mean of its divisors is an integer number (14036944).

Almost surely, 2^49129297 is an apocalyptic number.

It is an amenable number.

49129297 is a deficient number, since it is larger than the sum of its proper divisors (7018479).

49129297 is an equidigital number, since it uses as much as digits as its factorization.

49129297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018478.

The product of its digits is 81648, while the sum is 43.

The square root of 49129297 is about 7009.2294155635. The cubic root of 49129297 is about 366.2521503910.

The spelling of 49129297 in words is "forty-nine million, one hundred twenty-nine thousand, two hundred ninety-seven".