53236471 has 4 divisors (see below), whose sum is σ = 53301672. Its totient is φ = 53171272.

The previous prime is 53236457. The next prime is 53236481. The reversal of 53236471 is 17463235.

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 53236471 - 2²³ = 44847863 is a prime.

It is a super-3 number, since 3×53236471³ (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 (53236411) 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, 31360 + ... + 33013.

It is an arithmetic number, because the mean of its divisors is an integer number (13325418).

Almost surely, 2^53236471 is an apocalyptic number.

53236471 is a deficient number, since it is larger than the sum of its proper divisors (65201).

53236471 is an equidigital number, since it uses as much as digits as its factorization.

53236471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65200.

The product of its digits is 15120, while the sum is 31.

The square root of 53236471 is about 7296.3327089710. The cubic root of 53236471 is about 376.1863960947.

The spelling of 53236471 in words is "fifty-three million, two hundred thirty-six thousand, four hundred seventy-one".