55145234112 has 28 divisors (see below), whose sum is σ = 145905099096. Its totient is φ = 18381744640.

The previous prime is 55145234099. The next prime is 55145234189. The reversal of 55145234112 is 21143254155.

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, 143607189 + ... + 143607572.

Almost surely, 2^55145234112 is an apocalyptic number.

It is an amenable number.

55145234112 is an abundant number, since it is smaller than the sum of its proper divisors (90759864984).

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

55145234112 is a wasteful number, since it uses less digits than its factorization.

55145234112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287214776 (or 287214766 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

Adding to 55145234112 its reverse (21143254155), we get a palindrome (76288488267).

The spelling of 55145234112 in words is "fifty-five billion, one hundred forty-five million, two hundred thirty-four thousand, one hundred twelve".