49138267 has 4 divisors (see below), whose sum is σ = 50832720. Its totient is φ = 47443816.

The previous prime is 49138259. The next prime is 49138277. The reversal of 49138267 is 76283194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49138267 - 2³ = 49138259 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49138277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847183 + ... + 847240.

It is an arithmetic number, because the mean of its divisors is an integer number (12708180).

Almost surely, 2^49138267 is an apocalyptic number.

49138267 is a deficient number, since it is larger than the sum of its proper divisors (1694453).

49138267 is a wasteful number, since it uses less digits than its factorization.

49138267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694452.

The product of its digits is 72576, while the sum is 40.

The square root of 49138267 is about 7009.8692569833. The cubic root of 49138267 is about 366.2744390732.

The spelling of 49138267 in words is "forty-nine million, one hundred thirty-eight thousand, two hundred sixty-seven".