50011000 has 64 divisors (see below), whose sum is σ = 126060480. Its totient is φ = 18460800.

The previous prime is 50010979. The next prime is 50011019. The reversal of 50011000 is 11005.

It is a super-2 number, since 2×50011000² = 5002200242000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11077 + ... + 14923.

It is an arithmetic number, because the mean of its divisors is an integer number (1969695).

Almost surely, 2^50011000 is an apocalyptic number.

50011000 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 50011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63030240).

50011000 is an abundant number, since it is smaller than the sum of its proper divisors (76049480).

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

50011000 is a wasteful number, since it uses less digits than its factorization.

50011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 50011000 is about 7071.8455865495. The cubic root of 50011000 is about 368.4301641141.

Adding to 50011000 its reverse (11005), we get a palindrome (50022005).

The spelling of 50011000 in words is "fifty million, eleven thousand".