49921536 has 80 divisors (see below), whose sum is σ = 152025984. Its totient is φ = 14260224.

The previous prime is 49921519. The next prime is 49921583. The reversal of 49921536 is 63512994.

49921536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49921494 and 49921503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8431 + ... + 13073.

Almost surely, 2^49921536 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 49921536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76012992).

49921536 is an abundant number, since it is smaller than the sum of its proper divisors (102104448).

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

49921536 is an equidigital number, since it uses as much as digits as its factorization.

49921536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4655 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 49921536 is about 7065.5173908214. The cubic root of 49921536 is about 368.2103397395.

The spelling of 49921536 in words is "forty-nine million, nine hundred twenty-one thousand, five hundred thirty-six".