50910000 has 100 divisors (see below), whose sum is σ = 164441112. Its totient is φ = 13568000.

The previous prime is 50909983. The next prime is 50910011. The reversal of 50910000 is 1905.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29152 + ... + 30848.

Almost surely, 2^50910000 is an apocalyptic number.

50910000 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 50910000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82220556).

50910000 is an abundant number, since it is smaller than the sum of its proper divisors (113531112).

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

50910000 is a wasteful number, since it uses less digits than its factorization.

50910000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 50910000 is about 7135.1243857413. The cubic root of 50910000 is about 370.6247055537.

Adding to 50910000 its reverse (1905), we get a palindrome (50911905).

The spelling of 50910000 in words is "fifty million, nine hundred ten thousand".