53271145 has 8 divisors (see below), whose sum is σ = 63976320. Its totient is φ = 42582960.

The previous prime is 53271133. The next prime is 53271161. The reversal of 53271145 is 54117235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53271145 - 2⁷ = 53271017 is a prime.

It is a super-2 number, since 2×53271145² = 5675629779222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (7997040).

Almost surely, 2^53271145 is an apocalyptic number.

It is an amenable number.

53271145 is a deficient number, since it is larger than the sum of its proper divisors (10705175).

53271145 is a wasteful number, since it uses less digits than its factorization.

53271145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495.

The product of its digits is 4200, while the sum is 28.

The square root of 53271145 is about 7298.7084473899. The cubic root of 53271145 is about 376.2680509951.

The spelling of 53271145 in words is "fifty-three million, two hundred seventy-one thousand, one hundred forty-five".