55133136312 has 16 divisors (see below), whose sum is σ = 137832840840. Its totient is φ = 18377712096.

The previous prime is 55133136287. The next prime is 55133136329. The reversal of 55133136312 is 21363133155.

It is a happy number.

55133136312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55133136312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148606983 + ... + 1148607030.

Almost surely, 2^55133136312 is an apocalyptic number.

It is an amenable number.

55133136312 is an abundant number, since it is smaller than the sum of its proper divisors (82699704528).

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

55133136312 is a wasteful number, since it uses less digits than its factorization.

55133136312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297214022 (or 2297214018 counting only the distinct ones).

The product of its digits is 24300, while the sum is 33.

Adding to 55133136312 its reverse (21363133155), we get a palindrome (76496269467).

The spelling of 55133136312 in words is "fifty-five billion, one hundred thirty-three million, one hundred thirty-six thousand, three hundred twelve".