49398544 has 40 divisors (see below), whose sum is σ = 105040152. Its totient is φ = 22364160.

The previous prime is 49398541. The next prime is 49398553. The reversal of 49398544 is 44589394.

It can be written as a sum of positive squares in 4 ways, for example, as 9859600 + 39538944 = 3140^2 + 6288^2 .

It is a super-2 number, since 2×49398544² = 4880432298639872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49398494 and 49398503.

It is not an unprimeable number, because it can be changed into a prime (49398541) 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, 8784 + ... + 13264.

Almost surely, 2^49398544 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 49398544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52520076).

49398544 is an abundant number, since it is smaller than the sum of its proper divisors (55641608).

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

49398544 is a wasteful number, since it uses less digits than its factorization.

49398544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555 (or 4549 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 49398544 is about 7028.4097774674. The cubic root of 49398544 is about 366.9199983018.

The spelling of 49398544 in words is "forty-nine million, three hundred ninety-eight thousand, five hundred forty-four".