55032621212 has 12 divisors (see below), whose sum is σ = 101375881320. Its totient is φ = 26068083696.

The previous prime is 55032621121. The next prime is 55032621227. The reversal of 55032621212 is 21212623055.

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, 362056643 + ... + 362056794.

It is an arithmetic number, because the mean of its divisors is an integer number (8447990110).

Almost surely, 2^55032621212 is an apocalyptic number.

It is an amenable number.

55032621212 is a deficient number, since it is larger than the sum of its proper divisors (46343260108).

55032621212 is a wasteful number, since it uses less digits than its factorization.

55032621212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724113460 (or 724113458 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 55032621212 in words is "fifty-five billion, thirty-two million, six hundred twenty-one thousand, two hundred twelve".