50406520 has 16 divisors (see below), whose sum is σ = 113414760. Its totient is φ = 20162592.

The previous prime is 50406511. The next prime is 50406529. The reversal of 50406520 is 2560405.

It is an interprime number because it is at equal distance from previous prime (50406511) and next prime (50406529).

It is a junction number, because it is equal to n+sod(n) for n = 50406491 and 50406500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50406529) 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, 630042 + ... + 630121.

Almost surely, 2^50406520 is an apocalyptic number.

It is an amenable number.

50406520 is an abundant number, since it is smaller than the sum of its proper divisors (63008240).

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

50406520 is a wasteful number, since it uses less digits than its factorization.

50406520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260174 (or 1260170 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50406520 is about 7099.7549253478. The cubic root of 50406520 is about 369.3988778210.

Adding to 50406520 its reverse (2560405), we get a palindrome (52966925).

The spelling of 50406520 in words is "fifty million, four hundred six thousand, five hundred twenty".