50738540 has 48 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 18849792.

The previous prime is 50738539. The next prime is 50738549. The reversal of 50738540 is 4583705.

50738540 = T₂₀₅ + T₂₀₆ + ... + T₆₇₈.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50738497 and 50738506.

It is not an unprimeable number, because it can be changed into a prime (50738549) 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, 25916 + ... + 27804.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^50738540 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 50738540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57153600).

50738540 is an abundant number, since it is smaller than the sum of its proper divisors (63568660).

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

50738540 is a wasteful number, since it uses less digits than its factorization.

50738540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 50738540 is about 7123.0990446575. The cubic root of 50738540 is about 370.2081614156.

The spelling of 50738540 in words is "fifty million, seven hundred thirty-eight thousand, five hundred forty".