50138498 has 4 divisors (see below), whose sum is σ = 75207750. Its totient is φ = 25069248.

The previous prime is 50138497. The next prime is 50138507. The reversal of 50138498 is 89483105.

50138498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89483105 = 5 ⋅17896621.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 20403289 = 5453^2 + 4517^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50138497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534623 + ... + 12534626.

Almost surely, 2^50138498 is an apocalyptic number.

50138498 is a deficient number, since it is larger than the sum of its proper divisors (25069252).

50138498 is a wasteful number, since it uses less digits than its factorization.

50138498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25069251.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 50138498 is about 7080.8543269863. The cubic root of 50138498 is about 368.7429902718.

The spelling of 50138498 in words is "fifty million, one hundred thirty-eight thousand, four hundred ninety-eight".