53520321255305 has 4 divisors (see below), whose sum is σ = 64224385506372. Its totient is φ = 42816257004240.

The previous prime is 53520321255299. The next prime is 53520321255383. The reversal of 53520321255305 is 50355212302535.

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 42789743883769 + 10730577371536 = 6541387^2 + 3275756^2 .

It is not a de Polignac number, because 53520321255305 - 2⁶ = 53520321255241 is a prime.

It is a Duffinian number.

It is a Curzon 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, 5352032125526 + ... + 5352032125535.

It is an arithmetic number, because the mean of its divisors is an integer number (16056096376593).

Almost surely, 2^{53520321255305} is an apocalyptic number.

It is an amenable number.

53520321255305 is a deficient number, since it is larger than the sum of its proper divisors (10704064251067).

53520321255305 is a wasteful number, since it uses less digits than its factorization.

53520321255305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704064251066.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 53520321255305 in words is "fifty-three trillion, five hundred twenty billion, three hundred twenty-one million, two hundred fifty-five thousand, three hundred five".