53155420540 has 12 divisors (see below), whose sum is σ = 111626383176. Its totient is φ = 21262168208.

The previous prime is 53155420537. The next prime is 53155420541. The reversal of 53155420540 is 4502455135.

53155420540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53155420496 and 53155420505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155420541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328885494 + ... + 1328885533.

It is an arithmetic number, because the mean of its divisors is an integer number (9302198598).

Almost surely, 2^53155420540 is an apocalyptic number.

It is an amenable number.

53155420540 is an abundant number, since it is smaller than the sum of its proper divisors (58470962636).

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

53155420540 is a wasteful number, since it uses less digits than its factorization.

53155420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657771036 (or 2657771034 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 53155420540 its reverse (4502455135), we get a palindrome (57657875675).

The spelling of 53155420540 in words is "fifty-three billion, one hundred fifty-five million, four hundred twenty thousand, five hundred forty".