55211768 has 16 divisors (see below), whose sum is σ = 103632480. Its totient is φ = 27576448.

The previous prime is 55211731. The next prime is 55211809. The reversal of 55211768 is 86711255.

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, 5696 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (6477030).

Almost surely, 2^55211768 is an apocalyptic number.

It is an amenable number.

55211768 is a deficient number, since it is larger than the sum of its proper divisors (48420712).

55211768 is a wasteful number, since it uses less digits than its factorization.

55211768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7362 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 55211768 is about 7430.4621659759. The cubic root of 55211768 is about 380.7827080336.

The spelling of 55211768 in words is "fifty-five million, two hundred eleven thousand, seven hundred sixty-eight".