55788755 has 8 divisors (see below), whose sum is σ = 73032624. Its totient is φ = 40573600.

The previous prime is 55788749. The next prime is 55788757.

It is a happy number.

55788755 is nontrivially palindromic in base 10.

55788755 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 de Polignac number, because none of the positive numbers 2^k-55788755 is a prime.

It is a super-2 number, since 2×55788755² = 6224770368900050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55788757) 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, 507116 + ... + 507225.

It is an arithmetic number, because the mean of its divisors is an integer number (9129078).

Almost surely, 2^55788755 is an apocalyptic number.

55788755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55788755 is a deficient number, since it is larger than the sum of its proper divisors (17243869).

55788755 is a wasteful number, since it uses less digits than its factorization.

55788755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014357.

The product of its digits is 1960000, while the sum is 50.

The square root of 55788755 is about 7469.1870374225. The cubic root of 55788755 is about 382.1045623505.

The spelling of 55788755 in words is "fifty-five million, seven hundred eighty-eight thousand, seven hundred fifty-five".