53542471 has 4 divisors (see below), whose sum is σ = 53603992. Its totient is φ = 53480952.

The previous prime is 53542429. The next prime is 53542481. The reversal of 53542471 is 17424535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17424535 = 5 ⋅3484907.

It is a cyclic number.

It is not a de Polignac number, because 53542471 - 2²³ = 45153863 is a prime.

It is a super-3 number, since 3×53542471³ (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 (53542421) 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, 29436 + ... + 31201.

It is an arithmetic number, because the mean of its divisors is an integer number (13400998).

Almost surely, 2^53542471 is an apocalyptic number.

53542471 is a deficient number, since it is larger than the sum of its proper divisors (61521).

53542471 is an equidigital number, since it uses as much as digits as its factorization.

53542471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61520.

The product of its digits is 16800, while the sum is 31.

The square root of 53542471 is about 7317.2721009950. The cubic root of 53542471 is about 376.9057850299.

The spelling of 53542471 in words is "fifty-three million, five hundred forty-two thousand, four hundred seventy-one".