53775018037525 has 24 divisors (see below), whose sum is σ = 66872103251744. Its totient is φ = 42896893032000.

The previous prime is 53775018037459. The next prime is 53775018037529. The reversal of 53775018037525 is 52573081057735.

It is not a de Polignac number, because 53775018037525 - 2¹⁹ = 53775017513237 is a prime.

It is a super-2 number, since 2×53775018037525² (a number of 28 digits) contains 22 as substring.

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 53775018037525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53775018037529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11785207 + ... + 15698443.

Almost surely, 2^{53775018037525} is an apocalyptic number.

It is an amenable number.

53775018037525 is a deficient number, since it is larger than the sum of its proper divisors (13097085214219).

53775018037525 is a wasteful number, since it uses less digits than its factorization.

53775018037525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914821 (or 3914816 counting only the distinct ones).

The product of its (nonzero) digits is 30870000, while the sum is 58.

The spelling of 53775018037525 in words is "fifty-three trillion, seven hundred seventy-five billion, eighteen million, thirty-seven thousand, five hundred twenty-five".