53179789 has 4 divisors (see below), whose sum is σ = 57270556. Its totient is φ = 49089024.

The previous prime is 53179771. The next prime is 53179813. The reversal of 53179789 is 98797135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98797135 = 5 ⋅19759427.

It can be written as a sum of positive squares in 2 ways, for example, as 17682025 + 35497764 = 4205^2 + 5958^2 .

It is a cyclic number.

It is not a de Polignac number, because 53179789 - 2⁷ = 53179661 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 (53179769) 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, 2045364 + ... + 2045389.

It is an arithmetic number, because the mean of its divisors is an integer number (14317639).

Almost surely, 2^53179789 is an apocalyptic number.

It is an amenable number.

53179789 is a deficient number, since it is larger than the sum of its proper divisors (4090767).

53179789 is a wasteful number, since it uses less digits than its factorization.

53179789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090766.

The product of its digits is 476280, while the sum is 49.

The square root of 53179789 is about 7292.4473943937. The cubic root of 53179789 is about 376.0528374705.

The spelling of 53179789 in words is "fifty-three million, one hundred seventy-nine thousand, seven hundred eighty-nine".