52571445 has 16 divisors (see below), whose sum is σ = 87772032. Its totient is φ = 26818880.

The previous prime is 52571411. The next prime is 52571459. The reversal of 52571445 is 54417525.

It is not a de Polignac number, because 52571445 - 2⁷ = 52571317 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75846 + ... + 76535.

It is an arithmetic number, because the mean of its divisors is an integer number (5485752).

Almost surely, 2^52571445 is an apocalyptic number.

It is an amenable number.

52571445 is a deficient number, since it is larger than the sum of its proper divisors (35200587).

52571445 is a wasteful number, since it uses less digits than its factorization.

52571445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152412.

The product of its digits is 28000, while the sum is 33.

The square root of 52571445 is about 7250.6168703083. The cubic root of 52571445 is about 374.6133971278.

The spelling of 52571445 in words is "fifty-two million, five hundred seventy-one thousand, four hundred forty-five".