49457407 has 4 divisors (see below), whose sum is σ = 49937680. Its totient is φ = 48977136.

The previous prime is 49457371. The next prime is 49457423. The reversal of 49457407 is 70475494.

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 49457407 - 2¹⁹ = 48933119 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 49457407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49457467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239982 + ... + 240187.

It is an arithmetic number, because the mean of its divisors is an integer number (12484420).

Almost surely, 2^49457407 is an apocalyptic number.

49457407 is a deficient number, since it is larger than the sum of its proper divisors (480273).

49457407 is a wasteful number, since it uses less digits than its factorization.

49457407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480272.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 49457407 is about 7032.5960356045. The cubic root of 49457407 is about 367.0656803206.

The spelling of 49457407 in words is "forty-nine million, four hundred fifty-seven thousand, four hundred seven".