52015344545 has 4 divisors (see below), whose sum is σ = 62418413460. Its totient is φ = 41612275632.

The previous prime is 52015344541. The next prime is 52015344593. The reversal of 52015344545 is 54544351025.

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 41179367329 + 10835977216 = 202927^2 + 104096^2 .

It is a cyclic number.

It is not a de Polignac number, because 52015344545 - 2² = 52015344541 is a prime.

It is a super-2 number, since 2×52015344545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52015344499 and 52015344508.

It is not an unprimeable number, because it can be changed into a prime (52015344541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5201534450 + ... + 5201534459.

It is an arithmetic number, because the mean of its divisors is an integer number (15604603365).

Almost surely, 2^52015344545 is an apocalyptic number.

It is an amenable number.

52015344545 is a deficient number, since it is larger than the sum of its proper divisors (10403068915).

52015344545 is a wasteful number, since it uses less digits than its factorization.

52015344545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403068914.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 52015344545 in words is "fifty-two billion, fifteen million, three hundred forty-four thousand, five hundred forty-five".