50687898 has 16 divisors (see below), whose sum is σ = 101448480. Its totient is φ = 16883856.

The previous prime is 50687893. The next prime is 50687909. The reversal of 50687898 is 89878605.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50687898.

It is not an unprimeable number, because it can be changed into a prime (50687893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11136 + ... + 15012.

It is an arithmetic number, because the mean of its divisors is an integer number (6340530).

Almost surely, 2^50687898 is an apocalyptic number.

50687898 is an abundant number, since it is smaller than the sum of its proper divisors (50760582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50687898 is a wasteful number, since it uses less digits than its factorization.

50687898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 50687898 is about 7119.5433842347. The cubic root of 50687898 is about 370.0849524923.

The spelling of 50687898 in words is "fifty million, six hundred eighty-seven thousand, eight hundred ninety-eight".