53214391 has 8 divisors (see below), whose sum is σ = 55332000. Its totient is φ = 51115680.

The previous prime is 53214361. The next prime is 53214431. The reversal of 53214391 is 19341235.

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 53214391 - 2¹¹ = 53212343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53214311) 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, 1161 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (6916500).

Almost surely, 2^53214391 is an apocalyptic number.

53214391 is a deficient number, since it is larger than the sum of its proper divisors (2117609).

53214391 is a wasteful number, since it uses less digits than its factorization.

53214391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449.

The product of its digits is 3240, while the sum is 28.

The square root of 53214391 is about 7294.8194631533. The cubic root of 53214391 is about 376.1343807246.

The spelling of 53214391 in words is "fifty-three million, two hundred fourteen thousand, three hundred ninety-one".