55275766 has 16 divisors (see below), whose sum is σ = 102047904. Its totient is φ = 21867264.

The previous prime is 55275757. The next prime is 55275793. The reversal of 55275766 is 66757255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151675 + ... + 152038.

It is an arithmetic number, because the mean of its divisors is an integer number (6377994).

Almost surely, 2^55275766 is an apocalyptic number.

55275766 is a deficient number, since it is larger than the sum of its proper divisors (46772138).

55275766 is a wasteful number, since it uses less digits than its factorization.

55275766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303735.

The product of its digits is 441000, while the sum is 43.

The square root of 55275766 is about 7434.7673803556. The cubic root of 55275766 is about 380.9297776584.

The spelling of 55275766 in words is "fifty-five million, two hundred seventy-five thousand, seven hundred sixty-six".