50911898 has 8 divisors (see below), whose sum is σ = 76696308. Its totient is φ = 25346464.

The previous prime is 50911897. The next prime is 50911901. The reversal of 50911898 is 89811905.

It can be written as a sum of positive squares in 2 ways, for example, as 48622729 + 2289169 = 6973^2 + 1513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50911891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54161 + ... + 55092.

Almost surely, 2^50911898 is an apocalyptic number.

50911898 is a deficient number, since it is larger than the sum of its proper divisors (25784410).

50911898 is a wasteful number, since it uses less digits than its factorization.

50911898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109488.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 50911898 is about 7135.2573884899. The cubic root of 50911898 is about 370.6293113086.

The spelling of 50911898 in words is "fifty million, nine hundred eleven thousand, eight hundred ninety-eight".