49503135049 has 3 divisors (see below), whose sum is σ = 49503357543. Its totient is φ = 49502912556.

The previous prime is 49503135043. The next prime is 49503135061. The reversal of 49503135049 is 94053130594.

It is a happy number.

The square root of 49503135049 is 222493.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94053130594 = 2 ⋅47026565297.

It can be written as a sum of positive squares in only one way, i.e., 28901700025 + 20601435024 = 170005^2 + 143532^2 .

It is not a de Polignac number, because 49503135049 - 2²⁷ = 49368917321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49503134996 and 49503135014.

It is not an unprimeable number, because it can be changed into a prime (49503135043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111247 + ... + 333739.

It is an arithmetic number, because the mean of its divisors is an integer number (16501119181).

Almost surely, 2^49503135049 is an apocalyptic number.

49503135049 is the 222493-rd square number.

49503135049 is the 111247-th centered octagonal number.

It is an amenable number.

49503135049 is a deficient number, since it is larger than the sum of its proper divisors (222494).

49503135049 is an frugal number, since it uses more digits than its factorization.

49503135049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444986 (or 222493 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 49503135049 in words is "forty-nine billion, five hundred three million, one hundred thirty-five thousand, forty-nine".