50510000 has 50 divisors (see below), whose sum is σ = 122313972. Its totient is φ = 20200000.

The previous prime is 50509969. The next prime is 50510011. The reversal of 50510000 is 1505.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7475 + ... + 12525.

Almost surely, 2^50510000 is an apocalyptic number.

50510000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50510000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61156986).

50510000 is an abundant number, since it is smaller than the sum of its proper divisors (71803972).

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

50510000 is an equidigital number, since it uses as much as digits as its factorization.

50510000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 50510000 is about 7107.0387644926. The cubic root of 50510000 is about 369.6514858031.

Adding to 50510000 its reverse (1505), we get a palindrome (50511505).

The spelling of 50510000 in words is "fifty million, five hundred ten thousand".