49663505 has 8 divisors (see below), whose sum is σ = 61050024. Its totient is φ = 38761600.

The previous prime is 49663501. The next prime is 49663517. The reversal of 49663505 is 50536694.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 47499664 = 1471^2 + 6892^2 .

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

It is not a de Polignac number, because 49663505 - 2² = 49663501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49663501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120926 + ... + 121335.

It is an arithmetic number, because the mean of its divisors is an integer number (7631253).

Almost surely, 2^49663505 is an apocalyptic number.

It is an amenable number.

49663505 is a deficient number, since it is larger than the sum of its proper divisors (11386519).

49663505 is a wasteful number, since it uses less digits than its factorization.

49663505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242307.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 49663505 is about 7047.2338544992. The cubic root of 49663505 is about 367.5748501650.

The spelling of 49663505 in words is "forty-nine million, six hundred sixty-three thousand, five hundred five".