50648398 has 4 divisors (see below), whose sum is σ = 75972600. Its totient is φ = 25324198.

The previous prime is 50648393. The next prime is 50648417. The reversal of 50648398 is 89384605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89384605 = 5 ⋅17876921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50648393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662098 + ... + 12662101.

It is an arithmetic number, because the mean of its divisors is an integer number (18993150).

Almost surely, 2^50648398 is an apocalyptic number.

50648398 is a deficient number, since it is larger than the sum of its proper divisors (25324202).

50648398 is a wasteful number, since it uses less digits than its factorization.

50648398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25324201.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 50648398 is about 7116.7687892751. The cubic root of 50648398 is about 369.9887944013.

The spelling of 50648398 in words is "fifty million, six hundred forty-eight thousand, three hundred ninety-eight".