49791456 has 288 divisors, whose sum is σ = 177085440. Its totient is φ = 13478400.

The previous prime is 49791431. The next prime is 49791473. The reversal of 49791456 is 65419794.

It is a tau number, because it is divible by the number of its divisors (288).

Its product of digits (272160) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1606161 + ... + 1606191.

It is an arithmetic number, because the mean of its divisors is an integer number (614880).

Almost surely, 2^49791456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49791456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88542720).

49791456 is an abundant number, since it is smaller than the sum of its proper divisors (127293984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49791456 is a wasteful number, since it uses less digits than its factorization.

49791456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 60 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49791456 is about 7056.3061158088. The cubic root of 49791456 is about 367.8902476740.

The spelling of 49791456 in words is "forty-nine million, seven hundred ninety-one thousand, four hundred fifty-six".