52451585 has 4 divisors (see below), whose sum is σ = 62941908. Its totient is φ = 41961264.

The previous prime is 52451557. The next prime is 52451591. The reversal of 52451585 is 58515425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24910081 + 27541504 = 4991^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 52451585 - 2¹⁰ = 52450561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5245154 + ... + 5245163.

It is an arithmetic number, because the mean of its divisors is an integer number (15735477).

Almost surely, 2^52451585 is an apocalyptic number.

It is an amenable number.

52451585 is a deficient number, since it is larger than the sum of its proper divisors (10490323).

52451585 is a wasteful number, since it uses less digits than its factorization.

52451585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490322.

The product of its digits is 40000, while the sum is 35.

The square root of 52451585 is about 7242.3466500852. The cubic root of 52451585 is about 374.3284811807.

The spelling of 52451585 in words is "fifty-two million, four hundred fifty-one thousand, five hundred eighty-five".