55576766 has 8 divisors (see below), whose sum is σ = 95274480. Its totient is φ = 23818608.

The previous prime is 55576751. The next prime is 55576783. The reversal of 55576766 is 66767555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55576766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984871 + ... + 1984898.

It is an arithmetic number, because the mean of its divisors is an integer number (11909310).

Almost surely, 2^55576766 is an apocalyptic number.

55576766 is a deficient number, since it is larger than the sum of its proper divisors (39697714).

55576766 is a wasteful number, since it uses less digits than its factorization.

55576766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969778.

The product of its digits is 1323000, while the sum is 47.

The square root of 55576766 is about 7454.9826290877. The cubic root of 55576766 is about 381.6199678016.

The spelling of 55576766 in words is "fifty-five million, five hundred seventy-six thousand, seven hundred sixty-six".