55203703868 has 6 divisors (see below), whose sum is σ = 96606481776. Its totient is φ = 27601851932.

The previous prime is 55203703813. The next prime is 55203703879. The reversal of 55203703868 is 86830730255.

It is a super-2 number, since 2×55203703868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900462980 + ... + 6900462987.

It is an arithmetic number, because the mean of its divisors is an integer number (16101080296).

Almost surely, 2^55203703868 is an apocalyptic number.

It is an amenable number.

55203703868 is a deficient number, since it is larger than the sum of its proper divisors (41402777908).

55203703868 is a wasteful number, since it uses less digits than its factorization.

55203703868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800925971 (or 13800925969 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 55203703868 in words is "fifty-five billion, two hundred three million, seven hundred three thousand, eight hundred sixty-eight".