50420420 has 12 divisors (see below), whose sum is σ = 105882924. Its totient is φ = 20168160.

The previous prime is 50420417. The next prime is 50420429. The reversal of 50420420 is 2402405.

It can be written as a sum of positive squares in 2 ways, for example, as 38365636 + 12054784 = 6194^2 + 3472^2 .

It is not an unprimeable number, because it can be changed into a prime (50420429) 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, 1260491 + ... + 1260530.

It is an arithmetic number, because the mean of its divisors is an integer number (8823577).

Almost surely, 2^50420420 is an apocalyptic number.

It is an amenable number.

50420420 is an abundant number, since it is smaller than the sum of its proper divisors (55462504).

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

50420420 is a wasteful number, since it uses less digits than its factorization.

50420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521030 (or 2521028 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 50420420 is about 7100.7337649006. The cubic root of 50420420 is about 369.4328295961.

Adding to 50420420 its reverse (2402405), we get a palindrome (52822825).

The spelling of 50420420 in words is "fifty million, four hundred twenty thousand, four hundred twenty".