55022012 has 12 divisors (see below), whose sum is σ = 96531456. Its totient is φ = 27441600.

The previous prime is 55021973. The next prime is 55022027. The reversal of 55022012 is 21022055.

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, 15548 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (8044288).

Almost surely, 2^55022012 is an apocalyptic number.

It is an amenable number.

55022012 is a deficient number, since it is larger than the sum of its proper divisors (41509444).

55022012 is a wasteful number, since it uses less digits than its factorization.

55022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34708 (or 34706 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 55022012 is about 7417.6823873768. The cubic root of 55022012 is about 380.3459730001.

Adding to 55022012 its reverse (21022055), we get a palindrome (76044067).

The spelling of 55022012 in words is "fifty-five million, twenty-two thousand, twelve".