53155538012 has 6 divisors (see below), whose sum is σ = 93022191528. Its totient is φ = 26577769004.

The previous prime is 53155538011. The next prime is 53155538021. The reversal of 53155538012 is 21083555135.

It is a happy number.

It is a super-2 number, since 2×53155538012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155538011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6644442248 + ... + 6644442255.

It is an arithmetic number, because the mean of its divisors is an integer number (15503698588).

Almost surely, 2^53155538012 is an apocalyptic number.

It is an amenable number.

53155538012 is a deficient number, since it is larger than the sum of its proper divisors (39866653516).

53155538012 is a wasteful number, since it uses less digits than its factorization.

53155538012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13288884507 (or 13288884505 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 53155538012 in words is "fifty-three billion, one hundred fifty-five million, five hundred thirty-eight thousand, twelve".