49990032 has 60 divisors (see below), whose sum is σ = 140437440. Its totient is φ = 16599744.

The previous prime is 49989991. The next prime is 49990069. The reversal of 49990032 is 23009994.

49990032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49990032² = 4998006598722048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 51213 + ... + 52179.

It is an arithmetic number, because the mean of its divisors is an integer number (2340624).

Almost surely, 2^49990032 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 49990032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70218720).

49990032 is an abundant number, since it is smaller than the sum of its proper divisors (90447408).

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

49990032 is a wasteful number, since it uses less digits than its factorization.

49990032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 49990032 is about 7070.3629326931. The cubic root of 49990032 is about 368.3786666197.

The spelling of 49990032 in words is "forty-nine million, nine hundred ninety thousand, thirty-two".