55255755 has 8 divisors (see below), whose sum is σ = 88409232. Its totient is φ = 29469728.

The previous prime is 55255751. The next prime is 55255841. The reversal of 55255755 is 55755255.

It is a happy number.

55255755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55255755 - 2² = 55255751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55255751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841844 + ... + 1841873.

It is an arithmetic number, because the mean of its divisors is an integer number (11051154).

Almost surely, 2^55255755 is an apocalyptic number.

55255755 is a deficient number, since it is larger than the sum of its proper divisors (33153477).

55255755 is a wasteful number, since it uses less digits than its factorization.

55255755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683725.

The product of its digits is 218750, while the sum is 39.

The square root of 55255755 is about 7433.4214867718. The cubic root of 55255755 is about 380.8838038897.

Subtracting 55255755 from its reverse (55755255), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 55255755 in words is "fifty-five million, two hundred fifty-five thousand, seven hundred fifty-five".