52145352001 has 4 divisors (see below), whose sum is σ = 52161544404. Its totient is φ = 52129159600.

The previous prime is 52145351953. The next prime is 52145352011. The reversal of 52145352001 is 10025354125.

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 38816880400 + 13328471601 = 197020^2 + 115449^2 .

It is a cyclic number.

It is not a de Polignac number, because 52145352001 - 2²³ = 52136963393 is a prime.

It is a super-3 number, since 3×52145352001³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52145352011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8091370 + ... + 8097811.

It is an arithmetic number, because the mean of its divisors is an integer number (13040386101).

Almost surely, 2^52145352001 is an apocalyptic number.

It is an amenable number.

52145352001 is a deficient number, since it is larger than the sum of its proper divisors (16192403).

52145352001 is a wasteful number, since it uses less digits than its factorization.

52145352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192402.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 52145352001 in words is "fifty-two billion, one hundred forty-five million, three hundred fifty-two thousand, one".