53386081 has 4 divisors (see below), whose sum is σ = 61012672. Its totient is φ = 45759492.

The previous prime is 53386049. The next prime is 53386093. The reversal of 53386081 is 18068335.

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.

It is a cyclic number.

It is not a de Polignac number, because 53386081 - 2⁵ = 53386049 is a prime.

It is a super-2 number, since 2×53386081² = 5700147289077122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53386481) 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, 3813285 + ... + 3813298.

It is an arithmetic number, because the mean of its divisors is an integer number (15253168).

Almost surely, 2^53386081 is an apocalyptic number.

It is an amenable number.

53386081 is a deficient number, since it is larger than the sum of its proper divisors (7626591).

53386081 is an equidigital number, since it uses as much as digits as its factorization.

53386081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626590.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 53386081 is about 7306.5779267726. The cubic root of 53386081 is about 376.5384643015.

The spelling of 53386081 in words is "fifty-three million, three hundred eighty-six thousand, eighty-one".