49821948 has 36 divisors (see below), whose sum is σ = 137388888. Its totient is φ = 15097440.

The previous prime is 49821923. The next prime is 49821949. The reversal of 49821948 is 84912894.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49821949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62511 + ... + 63302.

It is an arithmetic number, because the mean of its divisors is an integer number (3816358).

Almost surely, 2^49821948 is an apocalyptic number.

It is an amenable number.

49821948 is an abundant number, since it is smaller than the sum of its proper divisors (87566940).

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

49821948 is a wasteful number, since it uses less digits than its factorization.

49821948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125834 (or 125829 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 49821948 is about 7058.4664056720. The cubic root of 49821948 is about 367.9653303035.

The spelling of 49821948 in words is "forty-nine million, eight hundred twenty-one thousand, nine hundred forty-eight".