52061819345 has 16 divisors (see below), whose sum is σ = 66344279040. Its totient is φ = 39108190464.

The previous prime is 52061819323. The next prime is 52061819353. The reversal of 52061819345 is 54391816025.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52061819345 - 2³⁴ = 34881950161 is a prime.

It is a super-3 number, since 3×52061819345³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 52061819296 and 52061819305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414129 + ... + 2435598.

It is an arithmetic number, because the mean of its divisors is an integer number (4146517440).

Almost surely, 2^52061819345 is an apocalyptic number.

It is an amenable number.

52061819345 is a deficient number, since it is larger than the sum of its proper divisors (14282459695).

52061819345 is a wasteful number, since it uses less digits than its factorization.

52061819345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849864.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 52061819345 in words is "fifty-two billion, sixty-one million, eight hundred nineteen thousand, three hundred forty-five".