50136144 has 40 divisors (see below), whose sum is σ = 131649312. Its totient is φ = 16437120.

The previous prime is 50136143. The next prime is 50136173. The reversal of 50136144 is 44163105.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50136143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5634 + ... + 11489.

Almost surely, 2^50136144 is an apocalyptic number.

It is an amenable number.

50136144 is an abundant number, since it is smaller than the sum of its proper divisors (81513168).

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

50136144 is a wasteful number, since it uses less digits than its factorization.

50136144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195 (or 17189 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 50136144 is about 7080.6881021550. The cubic root of 50136144 is about 368.7372193598.

Adding to 50136144 its reverse (44163105), we get a palindrome (94299249).

The spelling of 50136144 in words is "fifty million, one hundred thirty-six thousand, one hundred forty-four".