55027751 has 4 divisors (see below), whose sum is σ = 55270392. Its totient is φ = 54785112.

The previous prime is 55027733. The next prime is 55027789. The reversal of 55027751 is 15772055.

55027751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55027751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027711) 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 3 ways as a sum of consecutive naturals, for example, 120980 + ... + 121433.

It is an arithmetic number, because the mean of its divisors is an integer number (13817598).

Almost surely, 2^55027751 is an apocalyptic number.

55027751 is a deficient number, since it is larger than the sum of its proper divisors (242641).

55027751 is a wasteful number, since it uses less digits than its factorization.

55027751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242640.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 55027751 is about 7418.0692231874. The cubic root of 55027751 is about 380.3591963724.

The spelling of 55027751 in words is "fifty-five million, twenty-seven thousand, seven hundred fifty-one".