53213271 has 8 divisors (see below), whose sum is σ = 70990704. Its totient is φ = 35455680.

The previous prime is 53213269. The next prime is 53213273. The reversal of 53213271 is 17231235.

It is an interprime number because it is at equal distance from previous prime (53213269) and next prime (53213273).

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

It is not a de Polignac number, because 53213271 - 2¹ = 53213269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213273) 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, 3235 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (8873838).

Almost surely, 2^53213271 is an apocalyptic number.

53213271 is a deficient number, since it is larger than the sum of its proper divisors (17777433).

53213271 is a wasteful number, since it uses less digits than its factorization.

53213271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921.

The product of its digits is 1260, while the sum is 24.

The square root of 53213271 is about 7294.7426959421. The cubic root of 53213271 is about 376.1317418804.

The spelling of 53213271 in words is "fifty-three million, two hundred thirteen thousand, two hundred seventy-one".