55161001312 has 24 divisors (see below), whose sum is σ = 111123764136. Its totient is φ = 26939092992.

The previous prime is 55161001289. The next prime is 55161001367. The reversal of 55161001312 is 21310016155.

It is a happy number.

55161001312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 20042593 + ... + 20045344.

It is an arithmetic number, because the mean of its divisors is an integer number (4630156839).

Almost surely, 2^55161001312 is an apocalyptic number.

It is an amenable number.

55161001312 is an abundant number, since it is smaller than the sum of its proper divisors (55962762824).

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

55161001312 is a wasteful number, since it uses less digits than its factorization.

55161001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40087990 (or 40087982 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 55161001312 its reverse (21310016155), we get a palindrome (76471017467).

The spelling of 55161001312 in words is "fifty-five billion, one hundred sixty-one million, one thousand, three hundred twelve".