50542240 has 48 divisors (see below), whose sum is σ = 136467072. Its totient is φ = 17328384.

The previous prime is 50542237. The next prime is 50542277. The reversal of 50542240 is 4224505.

It is a super-3 number, since 3×50542240³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21444 + ... + 23683.

It is an arithmetic number, because the mean of its divisors is an integer number (2843064).

Almost surely, 2^50542240 is an apocalyptic number.

It is an amenable number.

50542240 is an abundant number, since it is smaller than the sum of its proper divisors (85924832).

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

50542240 is a wasteful number, since it uses less digits than its factorization.

50542240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45149 (or 45141 counting only the distinct ones).

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

The square root of 50542240 is about 7109.3065765938. The cubic root of 50542240 is about 369.7301172899.

Adding to 50542240 its reverse (4224505), we get a palindrome (54766745).

The spelling of 50542240 in words is "fifty million, five hundred forty-two thousand, two hundred forty".