50542420 has 48 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 19760000.

The previous prime is 50542403. The next prime is 50542423. The reversal of 50542420 is 2424505.

It is a junction number, because it is equal to n+sod(n) for n = 50542391 and 50542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50542423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264525 + ... + 264715.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^50542420 is an apocalyptic number.

It is an amenable number.

50542420 is an abundant number, since it is smaller than the sum of its proper divisors (58031276).

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

50542420 is a wasteful number, since it uses less digits than its factorization.

50542420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 50542420 is about 7109.3192360450. The cubic root of 50542420 is about 369.7305562055.

Adding to 50542420 its reverse (2424505), we get a palindrome (52966925).

The spelling of 50542420 in words is "fifty million, five hundred forty-two thousand, four hundred twenty".