54135671 has 4 divisors (see below), whose sum is σ = 54787992. Its totient is φ = 53483352.

The previous prime is 54135661. The next prime is 54135673. The reversal of 54135671 is 17653145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17653145 = 5 ⋅3530629.

It is a cyclic number.

It is not a de Polignac number, because 54135671 - 2⁶ = 54135607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54135673) 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, 326036 + ... + 326201.

It is an arithmetic number, because the mean of its divisors is an integer number (13696998).

Almost surely, 2^54135671 is an apocalyptic number.

54135671 is a deficient number, since it is larger than the sum of its proper divisors (652321).

54135671 is an equidigital number, since it uses as much as digits as its factorization.

54135671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652320.

The product of its digits is 12600, while the sum is 32.

The square root of 54135671 is about 7357.6946797214. The cubic root of 54135671 is about 378.2925960696.

The spelling of 54135671 in words is "fifty-four million, one hundred thirty-five thousand, six hundred seventy-one".