53603543407 has 4 divisors (see below), whose sum is σ = 53604721296. Its totient is φ = 53602365520.

The previous prime is 53603543359. The next prime is 53603543437. The reversal of 53603543407 is 70434530635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53603543407 - 2¹¹ = 53603541359 is a prime.

It is a super-2 number, since 2×53603543407² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53603543407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53603543437) 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 3 ways as a sum of consecutive naturals, for example, 517819 + ... + 612652.

It is an arithmetic number, because the mean of its divisors is an integer number (13401180324).

Almost surely, 2^53603543407 is an apocalyptic number.

53603543407 is a deficient number, since it is larger than the sum of its proper divisors (1177889).

53603543407 is a wasteful number, since it uses less digits than its factorization.

53603543407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177888.

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 53603543407 in words is "fifty-three billion, six hundred three million, five hundred forty-three thousand, four hundred seven".