55967766 has 8 divisors (see below), whose sum is σ = 111935544. Its totient is φ = 18655920.

The previous prime is 55967753. The next prime is 55967771. The reversal of 55967766 is 66776955.

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

55967766 is an admirable number.

It is a Curzon number.

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, 4663975 + ... + 4663986.

It is an arithmetic number, because the mean of its divisors is an integer number (13991943).

Almost surely, 2^55967766 is an apocalyptic number.

55967766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55967766 is a wasteful number, since it uses less digits than its factorization.

55967766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327966.

The product of its digits is 2381400, while the sum is 51.

The square root of 55967766 is about 7481.1607388159. The cubic root of 55967766 is about 382.5128160087.

The spelling of 55967766 in words is "fifty-five million, nine hundred sixty-seven thousand, seven hundred sixty-six".