49078039 has 4 divisors (see below), whose sum is σ = 49699360. Its totient is φ = 48456720.

The previous prime is 49078009. The next prime is 49078049. The reversal of 49078039 is 93087094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93087094 = 2 ⋅46543547.

It is a cyclic number.

It is not a de Polignac number, because 49078039 - 2⁹ = 49077527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49077992 and 49078010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49078009) 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, 310542 + ... + 310699.

It is an arithmetic number, because the mean of its divisors is an integer number (12424840).

Almost surely, 2^49078039 is an apocalyptic number.

49078039 is a deficient number, since it is larger than the sum of its proper divisors (621321).

49078039 is an equidigital number, since it uses as much as digits as its factorization.

49078039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621320.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 49078039 is about 7005.5719966324. The cubic root of 49078039 is about 366.1247322883.

The spelling of 49078039 in words is "forty-nine million, seventy-eight thousand, thirty-nine".