49256147 has 4 divisors (see below), whose sum is σ = 49438176. Its totient is φ = 49074120.

The previous prime is 49256111. The next prime is 49256153. The reversal of 49256147 is 74165294.

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 49256147 - 2⁶ = 49256083 is a prime.

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

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 49256147.

It is not an unprimeable number, because it can be changed into a prime (49256177) 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, 90608 + ... + 91149.

It is an arithmetic number, because the mean of its divisors is an integer number (12359544).

Almost surely, 2^49256147 is an apocalyptic number.

49256147 is a deficient number, since it is larger than the sum of its proper divisors (182029).

49256147 is a wasteful number, since it uses less digits than its factorization.

49256147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182028.

The product of its digits is 60480, while the sum is 38.

The square root of 49256147 is about 7018.2723657607. The cubic root of 49256147 is about 366.5670959202.

The spelling of 49256147 in words is "forty-nine million, two hundred fifty-six thousand, one hundred forty-seven".