54005671 has 4 divisors (see below), whose sum is σ = 54198144. Its totient is φ = 53813200.

The previous prime is 54005669. The next prime is 54005711. The reversal of 54005671 is 17650045.

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 54005671 - 2¹ = 54005669 is a prime.

It is a super-2 number, since 2×54005671² = 5833225000320482, which contains 22 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 (54005621) 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, 95815 + ... + 96376.

It is an arithmetic number, because the mean of its divisors is an integer number (13549536).

Almost surely, 2^54005671 is an apocalyptic number.

54005671 is a deficient number, since it is larger than the sum of its proper divisors (192473).

54005671 is a wasteful number, since it uses less digits than its factorization.

54005671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192472.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 54005671 is about 7348.8550808953. The cubic root of 54005671 is about 377.9895460095.

The spelling of 54005671 in words is "fifty-four million, five thousand, six hundred seventy-one".