55005764 has 24 divisors (see below), whose sum is σ = 107575776. Its totient is φ = 24392000.

The previous prime is 55005763. The next prime is 55005793. The reversal of 55005764 is 46750055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55005764.

It is not an unprimeable number, because it can be changed into a prime (55005763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13442 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (4482324).

Almost surely, 2^55005764 is an apocalyptic number.

It is an amenable number.

55005764 is a deficient number, since it is larger than the sum of its proper divisors (52570012).

55005764 is a wasteful number, since it uses less digits than its factorization.

55005764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30547 (or 30545 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55005764 is about 7416.5870857154. The cubic root of 55005764 is about 380.3085305927.

The spelling of 55005764 in words is "fifty-five million, five thousand, seven hundred sixty-four".