50203620 has 36 divisors (see below), whose sum is σ = 152284860. Its totient is φ = 13387584.

The previous prime is 50203609. The next prime is 50203627. The reversal of 50203620 is 2630205.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 28132416 = 4698^2 + 5304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×50203620² = 5040806922208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50203593 and 50203602.

It is not an unprimeable number, because it can be changed into a prime (50203627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139275 + ... + 139634.

It is an arithmetic number, because the mean of its divisors is an integer number (4230135).

Almost surely, 2^50203620 is an apocalyptic number.

It is an amenable number.

50203620 is an abundant number, since it is smaller than the sum of its proper divisors (102081240).

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

50203620 is a wasteful number, since it uses less digits than its factorization.

50203620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278924 (or 278919 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50203620 is about 7085.4512912023. The cubic root of 50203620 is about 368.9025675293.

Adding to 50203620 its reverse (2630205), we get a palindrome (52833825).

The spelling of 50203620 in words is "fifty million, two hundred three thousand, six hundred twenty".