53443471 has 4 divisors (see below), whose sum is σ = 53536672. Its totient is φ = 53350272.

The previous prime is 53443457. The next prime is 53443483. The reversal of 53443471 is 17434435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53443471 - 2⁹ = 53442959 is a prime.

It is a super-3 number, since 3×53443471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53443571) 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, 45735 + ... + 46888.

It is an arithmetic number, because the mean of its divisors is an integer number (13384168).

Almost surely, 2^53443471 is an apocalyptic number.

53443471 is a deficient number, since it is larger than the sum of its proper divisors (93201).

53443471 is an equidigital number, since it uses as much as digits as its factorization.

53443471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93200.

The product of its digits is 20160, while the sum is 31.

The square root of 53443471 is about 7310.5041549814. The cubic root of 53443471 is about 376.6733421777.

The spelling of 53443471 in words is "fifty-three million, four hundred forty-three thousand, four hundred seventy-one".