53603543365 has 16 divisors (see below), whose sum is σ = 64938386880. Its totient is φ = 42473572480.

The previous prime is 53603543359. The next prime is 53603543437. The reversal of 53603543365 is 56334530635.

It is not a de Polignac number, because 53603543365 - 2⁷ = 53603543237 is a prime.

It is a super-2 number, since 2×53603543365² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5306970 + ... + 5317060.

It is an arithmetic number, because the mean of its divisors is an integer number (4058649180).

Almost surely, 2^53603543365 is an apocalyptic number.

It is an amenable number.

53603543365 is a deficient number, since it is larger than the sum of its proper divisors (11334843515).

53603543365 is a wasteful number, since it uses less digits than its factorization.

53603543365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132.

The product of its (nonzero) digits is 1458000, while the sum is 43.

The spelling of 53603543365 in words is "fifty-three billion, six hundred three million, five hundred forty-three thousand, three hundred sixty-five".