50140458 has 40 divisors (see below), whose sum is σ = 115107300. Its totient is φ = 16303680.

The previous prime is 50140457. The next prime is 50140469. The reversal of 50140458 is 85404105.

It can be written as a sum of positive squares in 2 ways, for example, as 49660209 + 480249 = 7047^2 + 693^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50140457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2868 + ... + 10416.

Almost surely, 2^50140458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50140458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57553650).

50140458 is an abundant number, since it is smaller than the sum of its proper divisors (64966842).

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

50140458 is a wasteful number, since it uses less digits than its factorization.

50140458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7595 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 50140458 is about 7080.9927270122. The cubic root of 50140458 is about 368.7477951415.

The spelling of 50140458 in words is "fifty million, one hundred forty thousand, four hundred fifty-eight".