50998355 has 4 divisors (see below), whose sum is σ = 61198032. Its totient is φ = 40798680.

The previous prime is 50998331. The next prime is 50998391. The reversal of 50998355 is 55389905.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-50998355 is a prime.

It is a Duffinian 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 in 3 ways as a sum of consecutive naturals, for example, 5099831 + ... + 5099840.

It is an arithmetic number, because the mean of its divisors is an integer number (15299508).

Almost surely, 2^50998355 is an apocalyptic number.

50998355 is a deficient number, since it is larger than the sum of its proper divisors (10199677).

50998355 is a wasteful number, since it uses less digits than its factorization.

50998355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199676.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 50998355 is about 7141.3132545772. The cubic root of 50998355 is about 370.8389897158.

The spelling of 50998355 in words is "fifty million, nine hundred ninety-eight thousand, three hundred fifty-five".