50136988 has 24 divisors (see below), whose sum is σ = 96067440. Its totient is φ = 22705920.

The previous prime is 50136979. The next prime is 50136997. The reversal of 50136988 is 88963105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50136979) and next prime (50136997).

It is a self number, because there is not a number n which added to its sum of digits gives 50136988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10948 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (4002810).

Almost surely, 2^50136988 is an apocalyptic number.

It is an amenable number.

50136988 is a deficient number, since it is larger than the sum of its proper divisors (45930452).

50136988 is a wasteful number, since it uses less digits than its factorization.

50136988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4195 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 50136988 is about 7080.7477006316. The cubic root of 50136988 is about 368.7392884756.

The spelling of 50136988 in words is "fifty million, one hundred thirty-six thousand, nine hundred eighty-eight".