53624471 has 4 divisors (see below), whose sum is σ = 53902512. Its totient is φ = 53346432.

The previous prime is 53624453. The next prime is 53624491. The reversal of 53624471 is 17442635.

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 53624471 - 2⁶ = 53624407 is a prime.

It is a super-3 number, since 3×53624471³ (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 (53624401) 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, 138731 + ... + 139116.

It is an arithmetic number, because the mean of its divisors is an integer number (13475628).

Almost surely, 2^53624471 is an apocalyptic number.

53624471 is a deficient number, since it is larger than the sum of its proper divisors (278041).

53624471 is a wasteful number, since it uses less digits than its factorization.

53624471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278040.

The product of its digits is 20160, while the sum is 32.

The square root of 53624471 is about 7322.8731383249. The cubic root of 53624471 is about 377.0980966012.

The spelling of 53624471 in words is "fifty-three million, six hundred twenty-four thousand, four hundred seventy-one".