49447156 has 24 divisors (see below), whose sum is σ = 94780224. Its totient is φ = 22385280.

The previous prime is 49447147. The next prime is 49447163. The reversal of 49447156 is 65174494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (3949176).

Almost surely, 2^49447156 is an apocalyptic number.

It is an amenable number.

49447156 is a deficient number, since it is larger than the sum of its proper divisors (45333068).

49447156 is a wasteful number, since it uses less digits than its factorization.

49447156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4549 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 49447156 is about 7031.8671773577. The cubic root of 49447156 is about 367.0403180913.

It can be divided in two parts, 4944 and 7156, that added together give a square (12100 = 110²).

The spelling of 49447156 in words is "forty-nine million, four hundred forty-seven thousand, one hundred fifty-six".