50375440 has 60 divisors (see below), whose sum is σ = 120437604. Its totient is φ = 19588608.

The previous prime is 50375431. The next prime is 50375443. The reversal of 50375440 is 4457305.

It can be written as a sum of positive squares in 6 ways, for example, as 2985984 + 47389456 = 1728^2 + 6884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50375399 and 50375408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50375443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462106 + ... + 462214.

Almost surely, 2^50375440 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 50375440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60218802).

50375440 is an abundant number, since it is smaller than the sum of its proper divisors (70062164).

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

50375440 is a wasteful number, since it uses less digits than its factorization.

50375440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 50375440 is about 7097.5657798995. The cubic root of 50375440 is about 369.3229400415.

The spelling of 50375440 in words is "fifty million, three hundred seventy-five thousand, four hundred forty".