55372662212 has 48 divisors (see below), whose sum is σ = 112493259648. Its totient is φ = 23359415040.

The previous prime is 55372662211. The next prime is 55372662223. The reversal of 55372662212 is 21226627355.

It is a super-2 number, since 2×55372662212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55372662212.

It is not an unprimeable number, because it can be changed into a prime (55372662211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411512 + ... + 529232.

It is an arithmetic number, because the mean of its divisors is an integer number (2343609576).

Almost surely, 2^55372662212 is an apocalyptic number.

It is an amenable number.

55372662212 is an abundant number, since it is smaller than the sum of its proper divisors (57120597436).

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

55372662212 is a wasteful number, since it uses less digits than its factorization.

55372662212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117996 (or 117994 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The spelling of 55372662212 in words is "fifty-five billion, three hundred seventy-two million, six hundred sixty-two thousand, two hundred twelve".