48644136 has 48 divisors (see below), whose sum is σ = 136293300. Its totient is φ = 15654912.

The previous prime is 48644131. The next prime is 48644203. The reversal of 48644136 is 63144684.

48644136 is a `hidden beast` number, since 4 + 8 + 644 + 1 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46376100 + 2268036 = 6810^2 + 1506^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 48644136.

It is not an unprimeable number, because it can be changed into a prime (48644131) 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, 9561 + ... + 13736.

Almost surely, 2^48644136 is an apocalyptic number.

It is an amenable number.

48644136 is an abundant number, since it is smaller than the sum of its proper divisors (87649164).

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

48644136 is a wasteful number, since it uses less digits than its factorization.

48644136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23338 (or 23331 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 48644136 is about 6974.5348231979. The cubic root of 48644136 is about 365.0425571196.

The spelling of 48644136 in words is "forty-eight million, six hundred forty-four thousand, one hundred thirty-six".