50609940 has 48 divisors (see below), whose sum is σ = 142067520. Its totient is φ = 13461760.

The previous prime is 50609921. The next prime is 50609947. The reversal of 50609940 is 4990605.

It is a happy number.

It is a super-2 number, since 2×50609940² = 5122732053607200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50609947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30451 + ... + 32069.

It is an arithmetic number, because the mean of its divisors is an integer number (2959740).

Almost surely, 2^50609940 is an apocalyptic number.

It is an amenable number.

50609940 is an abundant number, since it is smaller than the sum of its proper divisors (91457580).

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

50609940 is a wasteful number, since it uses less digits than its factorization.

50609940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 50609940 is about 7114.0663477367. The cubic root of 50609940 is about 369.8951248904.

The spelling of 50609940 in words is "fifty million, six hundred nine thousand, nine hundred forty".