50388493 has 8 divisors (see below), whose sum is σ = 53904312. Its totient is φ = 46934016.

The previous prime is 50388449. The next prime is 50388509. The reversal of 50388493 is 39488305.

It can be written as a sum of positive squares in 4 ways, for example, as 3232804 + 47155689 = 1798^2 + 6867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50388493 - 2²⁵ = 16834061 is a prime.

It is a super-2 number, since 2×50388493² = 5078000453622098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50388293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13630 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (6738039).

Almost surely, 2^50388493 is an apocalyptic number.

It is an amenable number.

50388493 is a deficient number, since it is larger than the sum of its proper divisors (3515819).

50388493 is a wasteful number, since it uses less digits than its factorization.

50388493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30671.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 50388493 is about 7098.4852609553. The cubic root of 50388493 is about 369.3548362461.

It can be divided in two parts, 5038 and 8493, that added together give a palindrome (13531).

The spelling of 50388493 in words is "fifty million, three hundred eighty-eight thousand, four hundred ninety-three".