53328762565 has 16 divisors (see below), whose sum is σ = 68923588608. Its totient is φ = 39377572416.

The previous prime is 53328762547. The next prime is 53328762653. The reversal of 53328762565 is 56526782335.

It is not a de Polignac number, because 53328762565 - 2¹⁷ = 53328631493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 808252 + ... + 871738.

It is an arithmetic number, because the mean of its divisors is an integer number (4307724288).

Almost surely, 2^53328762565 is an apocalyptic number.

It is an amenable number.

53328762565 is a deficient number, since it is larger than the sum of its proper divisors (15594826043).

53328762565 is a wasteful number, since it uses less digits than its factorization.

53328762565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76428.

The product of its digits is 9072000, while the sum is 52.

The spelling of 53328762565 in words is "fifty-three billion, three hundred twenty-eight million, seven hundred sixty-two thousand, five hundred sixty-five".