5405571 has 24 divisors (see below), whose sum is σ = 8190000. Its totient is φ = 3431232.

The previous prime is 5405539. The next prime is 5405579. The reversal of 5405571 is 1755045.

5405571 is a `hidden beast` number, since 540 + 55 + 71 = 666.

5405571 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5405571 - 2⁵ = 5405539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5405579) 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, 36205 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (341250).

Almost surely, 2^5405571 is an apocalyptic number.

5405571 is a deficient number, since it is larger than the sum of its proper divisors (2784429).

5405571 is a wasteful number, since it uses less digits than its factorization.

5405571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 320 counting only the distinct ones).

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

The square root of 5405571 is about 2324.9883870678. The cubic root of 5405571 is about 175.5013757897.

The spelling of 5405571 in words is "five million, four hundred five thousand, five hundred seventy-one".