49125039 has 4 divisors (see below), whose sum is σ = 65500056. Its totient is φ = 32750024.

The previous prime is 49125023. The next prime is 49125047. The reversal of 49125039 is 93052194.

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 49125039 - 2⁴ = 49125023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49125059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8187504 + ... + 8187509.

It is an arithmetic number, because the mean of its divisors is an integer number (16375014).

Almost surely, 2^49125039 is an apocalyptic number.

49125039 is a deficient number, since it is larger than the sum of its proper divisors (16375017).

49125039 is a wasteful number, since it uses less digits than its factorization.

49125039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375016.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 49125039 is about 7008.9256666054. The cubic root of 49125039 is about 366.2415691506.

The spelling of 49125039 in words is "forty-nine million, one hundred twenty-five thousand, thirty-nine".