49493137 has 4 divisors (see below), whose sum is σ = 52404516. Its totient is φ = 46581760.

The previous prime is 49493123. The next prime is 49493159. The reversal of 49493137 is 73139494.

It is a happy number.

49493137 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.

It can be written as a sum of positive squares in 2 ways, for example, as 14930496 + 34562641 = 3864^2 + 5879^2 .

It is a cyclic number.

It is not a de Polignac number, because 49493137 - 2⁷ = 49493009 is a prime.

It is a super-2 number, since 2×49493137² = 4899141220201538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49493137.

It is not an unprimeable number, because it can be changed into a prime (49493117) 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, 1455664 + ... + 1455697.

It is an arithmetic number, because the mean of its divisors is an integer number (13101129).

Almost surely, 2^49493137 is an apocalyptic number.

It is an amenable number.

49493137 is a deficient number, since it is larger than the sum of its proper divisors (2911379).

49493137 is a wasteful number, since it uses less digits than its factorization.

49493137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911378.

The product of its digits is 81648, while the sum is 40.

The square root of 49493137 is about 7035.1358906563. The cubic root of 49493137 is about 367.1540533301.

The spelling of 49493137 in words is "forty-nine million, four hundred ninety-three thousand, one hundred thirty-seven".