53345216464445 has 8 divisors (see below), whose sum is σ = 64017089752920. Its totient is φ = 42674286507840.

The previous prime is 53345216464391. The next prime is 53345216464451. The reversal of 53345216464445 is 54446461254335.

It can be written as a sum of positive squares in 4 ways, for example, as 29730388743364 + 23614827721081 = 5452558^2 + 4859509^2 .

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

It is not a de Polignac number, because 53345216464445 - 2²⁴ = 53345199687229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235708550 + ... + 235934759.

It is an arithmetic number, because the mean of its divisors is an integer number (8002136219115).

Almost surely, 2^{53345216464445} is an apocalyptic number.

It is an amenable number.

53345216464445 is a deficient number, since it is larger than the sum of its proper divisors (10671873288475).

53345216464445 is a wasteful number, since it uses less digits than its factorization.

53345216464445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471665935.

The product of its digits is 82944000, while the sum is 56.

The spelling of 53345216464445 in words is "fifty-three trillion, three hundred forty-five billion, two hundred sixteen million, four hundred sixty-four thousand, four hundred forty-five".