49821732 has 18 divisors (see below), whose sum is σ = 125938358. Its totient is φ = 16607232.

The previous prime is 49821727. The next prime is 49821769. The reversal of 49821732 is 23712894.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 34596 = 7056^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1383937 = 49821732 / (4 + 9 + 8 + 2 + 1 + 7 + 3 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691933 + ... + 692004.

Almost surely, 2^49821732 is an apocalyptic number.

It is an amenable number.

49821732 is an abundant number, since it is smaller than the sum of its proper divisors (76116626).

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

49821732 is a wasteful number, since it uses less digits than its factorization.

49821732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383947 (or 1383942 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 49821732 is about 7058.4511048813. The cubic root of 49821732 is about 367.9647985390.

The spelling of 49821732 in words is "forty-nine million, eight hundred twenty-one thousand, seven hundred thirty-two".