50542493 has 4 divisors (see below), whose sum is σ = 52172928. Its totient is φ = 48912060.

The previous prime is 50542487. The next prime is 50542511. The reversal of 50542493 is 39424505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39424505 = 5 ⋅7884901.

It is a cyclic number.

It is not a de Polignac number, because 50542493 - 2⁸ = 50542237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50542403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815171 + ... + 815232.

It is an arithmetic number, because the mean of its divisors is an integer number (13043232).

Almost surely, 2^50542493 is an apocalyptic number.

It is an amenable number.

50542493 is a deficient number, since it is larger than the sum of its proper divisors (1630435).

50542493 is a wasteful number, since it uses less digits than its factorization.

50542493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630434.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 50542493 is about 7109.3243701494. The cubic root of 50542493 is about 369.7307342099.

Adding to 50542493 its reverse (39424505), we get a palindrome (89966998).

The spelling of 50542493 in words is "fifty million, five hundred forty-two thousand, four hundred ninety-three".