49457663 has 4 divisors (see below), whose sum is σ = 49499520. Its totient is φ = 49415808.

The previous prime is 49457621. The next prime is 49457687. The reversal of 49457663 is 36675494.

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 49457663 - 2⁶ = 49457599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49457263) 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, 19103 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (12374880).

Almost surely, 2^49457663 is an apocalyptic number.

49457663 is a deficient number, since it is larger than the sum of its proper divisors (41857).

49457663 is a wasteful number, since it uses less digits than its factorization.

49457663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41856.

The product of its digits is 544320, while the sum is 44.

The square root of 49457663 is about 7032.6142365411. The cubic root of 49457663 is about 367.0663136511.

The spelling of 49457663 in words is "forty-nine million, four hundred fifty-seven thousand, six hundred sixty-three".