49503649 has 6 divisors (see below), whose sum is σ = 53604726. Its totient is φ = 45695520.

The previous prime is 49503647. The next prime is 49503673. The reversal of 49503649 is 94630594.

It can be written as a sum of positive squares in 3 ways, for example, as 3168400 + 46335249 = 1780^2 + 6807^2 .

It is not a de Polignac number, because 49503649 - 2¹ = 49503647 is a prime.

It is a super-2 number, since 2×49503649² = 4901222528630402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49503647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146292 + ... + 146629.

It is an arithmetic number, because the mean of its divisors is an integer number (8934121).

Almost surely, 2^49503649 is an apocalyptic number.

It is an amenable number.

49503649 is a deficient number, since it is larger than the sum of its proper divisors (4101077).

49503649 is a wasteful number, since it uses less digits than its factorization.

49503649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292947 (or 292934 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 49503649 is about 7035.8829580942. The cubic root of 49503649 is about 367.1800451506.

The spelling of 49503649 in words is "forty-nine million, five hundred three thousand, six hundred forty-nine".