53210111545 has 8 divisors (see below), whose sum is σ = 64011368520. Its totient is φ = 42461932800.

The previous prime is 53210111543. The next prime is 53210111569. The reversal of 53210111545 is 54511101235.

It can be written as a sum of positive squares in 4 ways, for example, as 25583682601 + 27626428944 = 159949^2 + 166212^2 .

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

It is not a de Polignac number, because 53210111545 - 2¹ = 53210111543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53210111543) 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, 13267350 + ... + 13271359.

It is an arithmetic number, because the mean of its divisors is an integer number (8001421065).

Almost surely, 2^53210111545 is an apocalyptic number.

It is an amenable number.

53210111545 is a deficient number, since it is larger than the sum of its proper divisors (10801256975).

53210111545 is a wasteful number, since it uses less digits than its factorization.

53210111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26539115.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 53210111545 in words is "fifty-three billion, two hundred ten million, one hundred eleven thousand, five hundred forty-five".