49445137 has 4 divisors (see below), whose sum is σ = 56508736. Its totient is φ = 42381540.

The previous prime is 49445119. The next prime is 49445153. The reversal of 49445137 is 73154494.

49445137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49445137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49445096 and 49445105.

It is not an unprimeable number, because it can be changed into a prime (49445167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531789 + ... + 3531802.

It is an arithmetic number, because the mean of its divisors is an integer number (14127184).

Almost surely, 2^49445137 is an apocalyptic number.

It is an amenable number.

49445137 is a deficient number, since it is larger than the sum of its proper divisors (7063599).

49445137 is an equidigital number, since it uses as much as digits as its factorization.

49445137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063598.

The product of its digits is 60480, while the sum is 37.

The square root of 49445137 is about 7031.7236151601. The cubic root of 49445137 is about 367.0353224249.

The spelling of 49445137 in words is "forty-nine million, four hundred forty-five thousand, one hundred thirty-seven".