49843520 has 56 divisors (see below), whose sum is σ = 119862600. Its totient is φ = 19740672.

The previous prime is 49843513. The next prime is 49843523. The reversal of 49843520 is 2534894.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 48553024 = 1136^2 + 6968^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49843523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34166 + ... + 35594.

Almost surely, 2^49843520 is an apocalyptic number.

49843520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49843520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59931300).

49843520 is an abundant number, since it is smaller than the sum of its proper divisors (70019080).

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

49843520 is a wasteful number, since it uses less digits than its factorization.

49843520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 49843520 is about 7059.9943342753. The cubic root of 49843520 is about 368.0184300789.

The spelling of 49843520 in words is "forty-nine million, eight hundred forty-three thousand, five hundred twenty".