50259440 has 160 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 15206400.

The previous prime is 50259437. The next prime is 50259479. The reversal of 50259440 is 4495205.

It is a happy number.

It is a super-2 number, since 2×50259440² = 5052022618227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252461 + ... + 252659.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^50259440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50259440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

50259440 is an abundant number, since it is smaller than the sum of its proper divisors (99730960).

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

50259440 is a wasteful number, since it uses less digits than its factorization.

50259440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 50259440 is about 7089.3892543716. The cubic root of 50259440 is about 369.0392410341.

The spelling of 50259440 in words is "fifty million, two hundred fifty-nine thousand, four hundred forty".