49643800 has 48 divisors (see below), whose sum is σ = 115896600. Its totient is φ = 19776000.

The previous prime is 49643779. The next prime is 49643819. The reversal of 49643800 is 834694.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79891 + ... + 80509.

Almost surely, 2^49643800 is an apocalyptic number.

49643800 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 49643800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57948300).

49643800 is an abundant number, since it is smaller than the sum of its proper divisors (66252800).

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

49643800 is a wasteful number, since it uses less digits than its factorization.

49643800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 49643800 is about 7045.8356495167. The cubic root of 49643800 is about 367.5262294821.

The spelling of 49643800 in words is "forty-nine million, six hundred forty-three thousand, eight hundred".