49245907 has 4 divisors (see below), whose sum is σ = 49266280. Its totient is φ = 49225536.

The previous prime is 49245881. The next prime is 49245919. The reversal of 49245907 is 70954294.

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

It is a cyclic number.

It is not a de Polignac number, because 49245907 - 2¹⁹ = 48721619 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 49245907.

It is not an unprimeable number, because it can be changed into a prime (49245407) 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, 5982 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (12316570).

Almost surely, 2^49245907 is an apocalyptic number.

49245907 is a deficient number, since it is larger than the sum of its proper divisors (20373).

49245907 is a wasteful number, since it uses less digits than its factorization.

49245907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49245907 is about 7017.5428035745. The cubic root of 49245907 is about 366.5416919355.

The spelling of 49245907 in words is "forty-nine million, two hundred forty-five thousand, nine hundred seven".