50122420 has 24 divisors (see below), whose sum is σ = 108103464. Its totient is φ = 19506816.

The previous prime is 50122403. The next prime is 50122439. The reversal of 50122420 is 2422105.

It can be written as a sum of positive squares in 4 ways, for example, as 16990884 + 33131536 = 4122^2 + 5756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50122394 and 50122403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33127 + ... + 34606.

It is an arithmetic number, because the mean of its divisors is an integer number (4504311).

Almost surely, 2^50122420 is an apocalyptic number.

It is an amenable number.

50122420 is an abundant number, since it is smaller than the sum of its proper divisors (57981044).

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

50122420 is a wasteful number, since it uses less digits than its factorization.

50122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67779 (or 67777 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50122420 is about 7079.7189209742. The cubic root of 50122420 is about 368.7035709044.

Adding to 50122420 its reverse (2422105), we get a palindrome (52544525).

The spelling of 50122420 in words is "fifty million, one hundred twenty-two thousand, four hundred twenty".