50402420 has 12 divisors (see below), whose sum is σ = 105845124. Its totient is φ = 20160960.

The previous prime is 50402419. The next prime is 50402423. The reversal of 50402420 is 2420405.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 39891856 = 3242^2 + 6316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50402423) 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, 1260041 + ... + 1260080.

It is an arithmetic number, because the mean of its divisors is an integer number (8820427).

Almost surely, 2^50402420 is an apocalyptic number.

It is an amenable number.

50402420 is an abundant number, since it is smaller than the sum of its proper divisors (55442704).

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

50402420 is a wasteful number, since it uses less digits than its factorization.

50402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520130 (or 2520128 counting only the distinct ones).

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

The square root of 50402420 is about 7099.4661771150. The cubic root of 50402420 is about 369.3888620766.

Adding to 50402420 its reverse (2420405), we get a palindrome (52822825).

The spelling of 50402420 in words is "fifty million, four hundred two thousand, four hundred twenty".