55025500550 has 48 divisors (see below), whose sum is σ = 109894296672. Its totient is φ = 20423692800.

The previous prime is 55025500531. The next prime is 55025500591. The reversal of 55025500550 is 5500552055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395537 + ... + 516236.

It is an arithmetic number, because the mean of its divisors is an integer number (2289464514).

Almost surely, 2^55025500550 is an apocalyptic number.

55025500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55025500550 is a deficient number, since it is larger than the sum of its proper divisors (54868796122).

55025500550 is a wasteful number, since it uses less digits than its factorization.

55025500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911873 (or 911868 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 55025500550 in words is "fifty-five billion, twenty-five million, five hundred thousand, five hundred fifty".