50873489 has 4 divisors (see below), whose sum is σ = 51154740. Its totient is φ = 50592240.

The previous prime is 50873479. The next prime is 50873509. The reversal of 50873489 is 98437805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98437805 = 5 ⋅19687561.

It can be written as a sum of positive squares in 2 ways, for example, as 26863489 + 24010000 = 5183^2 + 4900^2 .

It is a cyclic number.

It is not a de Polignac number, because 50873489 - 2⁸ = 50873233 is a prime.

It is a super-2 number, since 2×50873489² = 5176223766066242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50873479) 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, 140354 + ... + 140715.

It is an arithmetic number, because the mean of its divisors is an integer number (12788685).

Almost surely, 2^50873489 is an apocalyptic number.

It is an amenable number.

50873489 is a deficient number, since it is larger than the sum of its proper divisors (281251).

50873489 is a wasteful number, since it uses less digits than its factorization.

50873489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281250.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 50873489 is about 7132.5653870119. The cubic root of 50873489 is about 370.5360843608.

The spelling of 50873489 in words is "fifty million, eight hundred seventy-three thousand, four hundred eighty-nine".