52147045 has 4 divisors (see below), whose sum is σ = 62576460. Its totient is φ = 41717632.

The previous prime is 52147033. The next prime is 52147057. The reversal of 52147045 is 54074125.

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

It is an interprime number because it is at equal distance from previous prime (52147033) and next prime (52147057).

It can be written as a sum of positive squares in 2 ways, for example, as 38353249 + 13793796 = 6193^2 + 3714^2 .

It is a cyclic number.

It is not a de Polignac number, because 52147045 - 2¹¹ = 52144997 is a prime.

It is a congruent 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, 5214700 + ... + 5214709.

It is an arithmetic number, because the mean of its divisors is an integer number (15644115).

Almost surely, 2^52147045 is an apocalyptic number.

It is an amenable number.

52147045 is a deficient number, since it is larger than the sum of its proper divisors (10429415).

52147045 is a wasteful number, since it uses less digits than its factorization.

52147045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10429414.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 52147045 is about 7221.2910895490. The cubic root of 52147045 is about 373.6026096388.

The spelling of 52147045 in words is "fifty-two million, one hundred forty-seven thousand, forty-five".