50122500 has 120 divisors (see below), whose sum is σ = 150626784. Its totient is φ = 12960000.

The previous prime is 50122489. The next prime is 50122537. The reversal of 50122500 is 522105.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50122500.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 307419 + ... + 307581.

Almost surely, 2^50122500 is an apocalyptic number.

50122500 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 50122500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75313392).

50122500 is an abundant number, since it is smaller than the sum of its proper divisors (100504284).

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

50122500 is a wasteful number, since it uses less digits than its factorization.

50122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50122500 is about 7079.7245709138. The cubic root of 50122500 is about 368.7037670659.

Adding to 50122500 its reverse (522105), we get a palindrome (50644605).

The spelling of 50122500 in words is "fifty million, one hundred twenty-two thousand, five hundred".