49878547 has 8 divisors (see below), whose sum is σ = 50551200. Its totient is φ = 49209600.

The previous prime is 49878533. The next prime is 49878557. The reversal of 49878547 is 74587894.

49878547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49878547 - 2¹¹ = 49876499 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49878494 and 49878503.

It is not an unprimeable number, because it can be changed into a prime (49878557) 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 7 ways as a sum of consecutive naturals, for example, 34954 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (6318900).

Almost surely, 2^49878547 is an apocalyptic number.

49878547 is a deficient number, since it is larger than the sum of its proper divisors (672653).

49878547 is a wasteful number, since it uses less digits than its factorization.

49878547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its digits is 2257920, while the sum is 52.

The square root of 49878547 is about 7062.4745663259. The cubic root of 49878547 is about 368.1046168968.

The spelling of 49878547 in words is "forty-nine million, eight hundred seventy-eight thousand, five hundred forty-seven".