53128093 has 4 divisors (see below), whose sum is σ = 53876448. Its totient is φ = 52379740.

The previous prime is 53128073. The next prime is 53128109. The reversal of 53128093 is 39082135.

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: 39082135 = 5 ⋅7816427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53128093 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 (53128063) 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, 374071 + ... + 374212.

It is an arithmetic number, because the mean of its divisors is an integer number (13469112).

Almost surely, 2^53128093 is an apocalyptic number.

It is an amenable number.

53128093 is a deficient number, since it is larger than the sum of its proper divisors (748355).

53128093 is an equidigital number, since it uses as much as digits as its factorization.

53128093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748354.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53128093 is about 7288.9020435179. The cubic root of 53128093 is about 375.9309444820.

The spelling of 53128093 in words is "fifty-three million, one hundred twenty-eight thousand, ninety-three".