53130560645 has 4 divisors (see below), whose sum is σ = 63756672780. Its totient is φ = 42504448512.

The previous prime is 53130560621. The next prime is 53130560657. The reversal of 53130560645 is 54606503135.

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 35680943236 + 17449617409 = 188894^2 + 132097^2 .

It is a cyclic number.

It is not a de Polignac number, because 53130560645 - 2²⁰ = 53129512069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53130560599 and 53130560608.

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, 5313056060 + ... + 5313056069.

It is an arithmetic number, because the mean of its divisors is an integer number (15939168195).

Almost surely, 2^53130560645 is an apocalyptic number.

It is an amenable number.

53130560645 is a deficient number, since it is larger than the sum of its proper divisors (10626112135).

53130560645 is a wasteful number, since it uses less digits than its factorization.

53130560645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626112134.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 53130560645 in words is "fifty-three billion, one hundred thirty million, five hundred sixty thousand, six hundred forty-five".