52442565 has 64 divisors (see below), whose sum is σ = 102359040. Its totient is φ = 22394880.

The previous prime is 52442557. The next prime is 52442581. The reversal of 52442565 is 56524425.

It is not a de Polignac number, because 52442565 - 2³ = 52442557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193380 + ... + 193650.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^52442565 is an apocalyptic number.

It is an amenable number.

52442565 is a deficient number, since it is larger than the sum of its proper divisors (49916475).

52442565 is a wasteful number, since it uses less digits than its factorization.

52442565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 48000, while the sum is 33.

The square root of 52442565 is about 7241.7238969737. The cubic root of 52442565 is about 374.3070224299.

The spelling of 52442565 in words is "fifty-two million, four hundred forty-two thousand, five hundred sixty-five".