53505053520372 has 18 divisors (see below), whose sum is σ = 135248885287698. Its totient is φ = 17835017840112.

The previous prime is 53505053520371. The next prime is 53505053520419. The reversal of 53505053520372 is 27302535050535.

53505053520372 is a `hidden beast` number, since 5 + 3 + 5 + 0 + 5 + 0 + 53 + 520 + 3 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30570570832356 + 22934482688016 = 5529066^2 + 4788996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×53505053520372³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505053520371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743125743303 + ... + 743125743374.

Almost surely, 2^{53505053520372} is an apocalyptic number.

It is an amenable number.

53505053520372 is an abundant number, since it is smaller than the sum of its proper divisors (81743831767326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53505053520372 is a wasteful number, since it uses less digits than its factorization.

53505053520372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486251486687 (or 1486251486682 counting only the distinct ones).

The product of its (nonzero) digits is 2362500, while the sum is 45.

The spelling of 53505053520372 in words is "fifty-three trillion, five hundred five billion, fifty-three million, five hundred twenty thousand, three hundred seventy-two".