49147256 has 8 divisors (see below), whose sum is σ = 92151120. Its totient is φ = 24573624.

The previous prime is 49147249. The next prime is 49147261. The reversal of 49147256 is 65274194.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3071696 + ... + 3071711.

It is an arithmetic number, because the mean of its divisors is an integer number (11518890).

Almost surely, 2^49147256 is an apocalyptic number.

It is an amenable number.

49147256 is a deficient number, since it is larger than the sum of its proper divisors (43003864).

49147256 is a wasteful number, since it uses less digits than its factorization.

49147256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143413 (or 6143409 counting only the distinct ones).

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

The square root of 49147256 is about 7010.5103951139. The cubic root of 49147256 is about 366.2967722458.

The spelling of 49147256 in words is "forty-nine million, one hundred forty-seven thousand, two hundred fifty-six".