55220040113612 has 48 divisors (see below), whose sum is σ = 106227801146880. Its totient is φ = 24908203056000.

The previous prime is 55220040113611. The next prime is 55220040113629. The reversal of 55220040113612 is 21631104002255.

It is not an unprimeable number, because it can be changed into a prime (55220040113611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835912 + ... + 10668207.

It is an arithmetic number, because the mean of its divisors is an integer number (2213079190560).

Almost surely, 2^{55220040113612} is an apocalyptic number.

It is an amenable number.

55220040113612 is a deficient number, since it is larger than the sum of its proper divisors (51007761033268).

55220040113612 is a wasteful number, since it uses less digits than its factorization.

55220040113612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504902 (or 12504900 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 55220040113612 its reverse (21631104002255), we get a palindrome (76851144115867).

The spelling of 55220040113612 in words is "fifty-five trillion, two hundred twenty billion, forty million, one hundred thirteen thousand, six hundred twelve".