49945297 has 4 divisors (see below), whose sum is σ = 49968640. Its totient is φ = 49921956.

The previous prime is 49945289. The next prime is 49945361. The reversal of 49945297 is 79254994.

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.

It is a cyclic number.

It is not a de Polignac number, because 49945297 - 2³ = 49945289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49945297.

It is not an unprimeable number, because it can be changed into a prime (49945237) 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, 8097 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (12492160).

Almost surely, 2^49945297 is an apocalyptic number.

It is an amenable number.

49945297 is a deficient number, since it is larger than the sum of its proper divisors (23343).

49945297 is a wasteful number, since it uses less digits than its factorization.

49945297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342.

The product of its digits is 816480, while the sum is 49.

The square root of 49945297 is about 7067.1986670816. The cubic root of 49945297 is about 368.2687491212.

It can be divided in two parts, 499 and 45297, that added together give a square (45796 = 214²).

The spelling of 49945297 in words is "forty-nine million, nine hundred forty-five thousand, two hundred ninety-seven".