54571005 has 24 divisors (see below), whose sum is σ = 97643520. Its totient is φ = 28164960.

The previous prime is 54570949. The next prime is 54571009. The reversal of 54571005 is 50017545.

It is not a de Polignac number, because 54571005 - 2⁶ = 54570941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54571005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54571009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18165 + ... + 20954.

It is an arithmetic number, because the mean of its divisors is an integer number (4068480).

Almost surely, 2^54571005 is an apocalyptic number.

It is an amenable number.

54571005 is a deficient number, since it is larger than the sum of its proper divisors (43072515).

54571005 is a wasteful number, since it uses less digits than its factorization.

54571005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39161 (or 39158 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 54571005 is about 7387.2190301899. The cubic root of 54571005 is about 379.3039080265.

The spelling of 54571005 in words is "fifty-four million, five hundred seventy-one thousand, five".