55551010204 has 48 divisors (see below), whose sum is σ = 102610307520. Its totient is φ = 26274160640.

The previous prime is 55551010171. The next prime is 55551010213. The reversal of 55551010204 is 40201015555.

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 in 15 ways as a sum of consecutive naturals, for example, 4561884 + ... + 4574044.

It is an arithmetic number, because the mean of its divisors is an integer number (2137714740).

Almost surely, 2^55551010204 is an apocalyptic number.

It is an amenable number.

55551010204 is a deficient number, since it is larger than the sum of its proper divisors (47059297316).

55551010204 is a wasteful number, since it uses less digits than its factorization.

55551010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12990 (or 12988 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 55551010204 its reverse (40201015555), we get a palindrome (95752025759).

The spelling of 55551010204 in words is "fifty-five billion, five hundred fifty-one million, ten thousand, two hundred four".