49201992 has 80 divisors (see below), whose sum is σ = 157512960. Its totient is φ = 14056416.

The previous prime is 49201987. The next prime is 49201993. The reversal of 49201992 is 29910294.

49201992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (49201993) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 888 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (1968912).

Almost surely, 2^49201992 is an apocalyptic number.

49201992 is a gapful number since it is divisible by the number (42) 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 49201992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78756480).

49201992 is an abundant number, since it is smaller than the sum of its proper divisors (108310968).

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

49201992 is a wasteful number, since it uses less digits than its factorization.

49201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10859 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49201992 is about 7014.4131614840. The cubic root of 49201992 is about 366.4327051081.

The spelling of 49201992 in words is "forty-nine million, two hundred one thousand, nine hundred ninety-two".