55203703867 has 16 divisors (see below), whose sum is σ = 59855765760. Its totient is φ = 50610098592.

The previous prime is 55203703813. The next prime is 55203703879. The reversal of 55203703867 is 76830730255.

It is a cyclic number.

It is not a de Polignac number, because 55203703867 - 2¹⁹ = 55203179579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55203713867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775484 + ... + 2795302.

It is an arithmetic number, because the mean of its divisors is an integer number (3740985360).

Almost surely, 2^55203703867 is an apocalyptic number.

55203703867 is a deficient number, since it is larger than the sum of its proper divisors (4652061893).

55203703867 is a wasteful number, since it uses less digits than its factorization.

55203703867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21282.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 55203703867 in words is "fifty-five billion, two hundred three million, seven hundred three thousand, eight hundred sixty-seven".