50988398 has 4 divisors (see below), whose sum is σ = 76482600. Its totient is φ = 25494198.

The previous prime is 50988349. The next prime is 50988403. The reversal of 50988398 is 89388905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89388905 = 5 ⋅17877781.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12747098 + ... + 12747101.

It is an arithmetic number, because the mean of its divisors is an integer number (19120650).

Almost surely, 2^50988398 is an apocalyptic number.

50988398 is a deficient number, since it is larger than the sum of its proper divisors (25494202).

50988398 is a wasteful number, since it uses less digits than its factorization.

50988398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25494201.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 50988398 is about 7140.6160798631. The cubic root of 50988398 is about 370.8148537468.

The spelling of 50988398 in words is "fifty million, nine hundred eighty-eight thousand, three hundred ninety-eight".