55312211112 has 64 divisors (see below), whose sum is σ = 144912343680. Its totient is φ = 17560046592.

The previous prime is 55312211081. The next prime is 55312211131. The reversal of 55312211112 is 21111221355.

55312211112 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-3 number, since 3×55312211112³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86413 + ... + 343644.

It is an arithmetic number, because the mean of its divisors is an integer number (2264255370).

Almost surely, 2^55312211112 is an apocalyptic number.

It is an amenable number.

55312211112 is an abundant number, since it is smaller than the sum of its proper divisors (89600132568).

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

55312211112 is a wasteful number, since it uses less digits than its factorization.

55312211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430322 (or 430318 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

Adding to 55312211112 its reverse (21111221355), we get a palindrome (76423432467).

The spelling of 55312211112 in words is "fifty-five billion, three hundred twelve million, two hundred eleven thousand, one hundred twelve".