53136793 has 8 divisors (see below), whose sum is σ = 54251208. Its totient is φ = 52026624.

The previous prime is 53136791. The next prime is 53136803. The reversal of 53136793 is 39763135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17280649 + 35856144 = 4157^2 + 5988^2 .

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 53136793 - 2¹ = 53136791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53136791) 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, 40321 + ... + 41617.

It is an arithmetic number, because the mean of its divisors is an integer number (6781401).

Almost surely, 2^53136793 is an apocalyptic number.

53136793 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53136793 is a deficient number, since it is larger than the sum of its proper divisors (1114415).

53136793 is a wasteful number, since it uses less digits than its factorization.

53136793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its digits is 51030, while the sum is 37.

The square root of 53136793 is about 7289.4988167912. The cubic root of 53136793 is about 375.9514635742.

The spelling of 53136793 in words is "fifty-three million, one hundred thirty-six thousand, seven hundred ninety-three".