49899456 has 112 divisors (see below), whose sum is σ = 149230080. Its totient is φ = 16346880.

The previous prime is 49899431. The next prime is 49899457. The reversal of 49899456 is 65499894.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49899457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115561 + ... + 115991.

Almost surely, 2^49899456 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 49899456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74615040).

49899456 is an abundant number, since it is smaller than the sum of its proper divisors (99330624).

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

49899456 is a wasteful number, since it uses less digits than its factorization.

49899456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 503 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 49899456 is about 7063.9546997415. The cubic root of 49899456 is about 368.1560459825.

The spelling of 49899456 in words is "forty-nine million, eight hundred ninety-nine thousand, four hundred fifty-six".