52451166013 has 8 divisors (see below), whose sum is σ = 54484978680. Its totient is φ = 50432363520.

The previous prime is 52451165999. The next prime is 52451166023. The reversal of 52451166013 is 31066115425.

It can be written as a sum of positive squares in 4 ways, for example, as 3185812249 + 49265353764 = 56443^2 + 221958^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52451166013 - 2⁵ = 52451165981 is a prime.

It is a super-2 number, since 2×52451166013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52451166013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451166023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745420 + ... + 3759397.

It is an arithmetic number, because the mean of its divisors is an integer number (6810622335).

Almost surely, 2^52451166013 is an apocalyptic number.

It is an amenable number.

52451166013 is a deficient number, since it is larger than the sum of its proper divisors (2033812667).

52451166013 is a wasteful number, since it uses less digits than its factorization.

52451166013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505087.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 52451166013 in words is "fifty-two billion, four hundred fifty-one million, one hundred sixty-six thousand, thirteen".