53561001385 has 16 divisors (see below), whose sum is σ = 64467350784. Its totient is φ = 42719519232.

The previous prime is 53561001313. The next prime is 53561001391. The reversal of 53561001385 is 58310016535.

It is a cyclic number.

It is not a de Polignac number, because 53561001385 - 2⁷ = 53561001257 is a prime.

It is a Duffinian 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, 3143449 + ... + 3160441.

It is an arithmetic number, because the mean of its divisors is an integer number (4029209424).

Almost surely, 2^53561001385 is an apocalyptic number.

It is an amenable number.

53561001385 is a deficient number, since it is larger than the sum of its proper divisors (10906349399).

53561001385 is a wasteful number, since it uses less digits than its factorization.

53561001385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 53561001385 in words is "fifty-three billion, five hundred sixty-one million, one thousand, three hundred eighty-five".