51793489 has 8 divisors (see below), whose sum is σ = 56602368. Its totient is φ = 47001360.

The previous prime is 51793481. The next prime is 51793499. The reversal of 51793489 is 98439715.

It is a happy number.

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 51793489 - 2³ = 51793481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51793481) 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, 2799 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (7075296).

Almost surely, 2^51793489 is an apocalyptic number.

It is an amenable number.

51793489 is a deficient number, since it is larger than the sum of its proper divisors (4808879).

51793489 is a wasteful number, since it uses less digits than its factorization.

51793489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375.

The product of its digits is 272160, while the sum is 46.

The square root of 51793489 is about 7196.7693446435. The cubic root of 51793489 is about 372.7563546234.

It can be divided in two parts, 5179 and 3489, that added together give a palindrome (8668).

The spelling of 51793489 in words is "fifty-one million, seven hundred ninety-three thousand, four hundred eighty-nine".