52190045 has 8 divisors (see below), whose sum is σ = 63332280. Its totient is φ = 41282560.

The previous prime is 52190029. The next prime is 52190057. The reversal of 52190045 is 54009125.

It can be written as a sum of positive squares in 4 ways, for example, as 9012004 + 43178041 = 3002^2 + 6571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52190045 - 2⁴ = 52190029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52189996 and 52190023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58196 + ... + 59085.

It is an arithmetic number, because the mean of its divisors is an integer number (7916535).

Almost surely, 2^52190045 is an apocalyptic number.

It is an amenable number.

52190045 is a deficient number, since it is larger than the sum of its proper divisors (11142235).

52190045 is a wasteful number, since it uses less digits than its factorization.

52190045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117375.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52190045 is about 7224.2677829660. The cubic root of 52190045 is about 373.7052712475.

The spelling of 52190045 in words is "fifty-two million, one hundred ninety thousand, forty-five".