50438590 has 16 divisors (see below), whose sum is σ = 90984672. Its totient is φ = 20132064.

The previous prime is 50438587. The next prime is 50438593. The reversal of 50438590 is 9583405.

It is an interprime number because it is at equal distance from previous prime (50438587) and next prime (50438593).

It is a super-2 number, since 2×50438590² = 5088102722376200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50438593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 10048.

It is an arithmetic number, because the mean of its divisors is an integer number (5686542).

Almost surely, 2^50438590 is an apocalyptic number.

50438590 is a deficient number, since it is larger than the sum of its proper divisors (40546082).

50438590 is a wasteful number, since it uses less digits than its factorization.

50438590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 50438590 is about 7102.0130948908. The cubic root of 50438590 is about 369.4772017529.

The spelling of 50438590 in words is "fifty million, four hundred thirty-eight thousand, five hundred ninety".