49663445 has 8 divisors (see below), whose sum is σ = 64180536. Its totient is φ = 36674496.

The previous prime is 49663379. The next prime is 49663489. The reversal of 49663445 is 54436694.

It can be written as a sum of positive squares in 4 ways, for example, as 5121169 + 44542276 = 2263^2 + 6674^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49663445 - 2¹⁰ = 49662421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 381962 + ... + 382091.

It is an arithmetic number, because the mean of its divisors is an integer number (8022567).

Almost surely, 2^49663445 is an apocalyptic number.

It is an amenable number.

49663445 is a deficient number, since it is larger than the sum of its proper divisors (14517091).

49663445 is a wasteful number, since it uses less digits than its factorization.

49663445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764071.

The product of its digits is 311040, while the sum is 41.

The square root of 49663445 is about 7047.2295975085. The cubic root of 49663445 is about 367.5747021388.

The spelling of 49663445 in words is "forty-nine million, six hundred sixty-three thousand, four hundred forty-five".