55766756 has 6 divisors (see below), whose sum is σ = 97591830. Its totient is φ = 27883376.

The previous prime is 55766719. The next prime is 55766779. The reversal of 55766756 is 65766755.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 25600 = 7466^2 + 160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55766756.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6970841 + ... + 6970848.

It is an arithmetic number, because the mean of its divisors is an integer number (16265305).

Almost surely, 2^55766756 is an apocalyptic number.

It is an amenable number.

55766756 is a deficient number, since it is larger than the sum of its proper divisors (41825074).

55766756 is a wasteful number, since it uses less digits than its factorization.

55766756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941693 (or 13941691 counting only the distinct ones).

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

The square root of 55766756 is about 7467.7142419886. The cubic root of 55766756 is about 382.0543310605.

Subtracting 55766756 from its reverse (65766755), we obtain a palindrome (9999999).

The spelling of 55766756 in words is "fifty-five million, seven hundred sixty-six thousand, seven hundred fifty-six".