50126420 has 12 divisors (see below), whose sum is σ = 105265524. Its totient is φ = 20050560.

The previous prime is 50126371. The next prime is 50126429. The reversal of 50126420 is 2462105.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 30448324 = 4436^2 + 5518^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2506321 = 50126420 / (5 + 0 + 1 + 2 + 6 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 50126392 and 50126401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50126429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253141 + ... + 1253180.

It is an arithmetic number, because the mean of its divisors is an integer number (8772127).

Almost surely, 2^50126420 is an apocalyptic number.

It is an amenable number.

50126420 is an abundant number, since it is smaller than the sum of its proper divisors (55139104).

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

50126420 is a wasteful number, since it uses less digits than its factorization.

50126420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506330 (or 2506328 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 50126420 is about 7080.0014124292. The cubic root of 50126420 is about 368.7133787246.

Subtracting from 50126420 its sum of digits (20), we obtain a square (50126400 = 7080²).

Adding to 50126420 its reverse (2462105), we get a palindrome (52588525).

The spelling of 50126420 in words is "fifty million, one hundred twenty-six thousand, four hundred twenty".