52445629 has 4 divisors (see below), whose sum is σ = 55530684. Its totient is φ = 49360576.

The previous prime is 52445623. The next prime is 52445633. The reversal of 52445629 is 92654425.

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 21141604 + 31304025 = 4598^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 52445629 - 2³ = 52445621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1542502 + ... + 1542535.

It is an arithmetic number, because the mean of its divisors is an integer number (13882671).

Almost surely, 2^52445629 is an apocalyptic number.

It is an amenable number.

52445629 is a deficient number, since it is larger than the sum of its proper divisors (3085055).

52445629 is a wasteful number, since it uses less digits than its factorization.

52445629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085054.

The product of its digits is 86400, while the sum is 37.

The square root of 52445629 is about 7241.9354457217. The cubic root of 52445629 is about 374.3143120199.

The spelling of 52445629 in words is "fifty-two million, four hundred forty-five thousand, six hundred twenty-nine".