55463645500 has 48 divisors (see below), whose sum is σ = 125309620800. Its totient is φ = 21420436800.

The previous prime is 55463645483. The next prime is 55463645521. The reversal of 55463645500 is 554636455.

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 15 ways as a sum of consecutive naturals, for example, 1898040 + ... + 1927039.

It is an arithmetic number, because the mean of its divisors is an integer number (2610617100).

Almost surely, 2^55463645500 is an apocalyptic number.

55463645500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55463645500 is an abundant number, since it is smaller than the sum of its proper divisors (69845975300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55463645500 is a wasteful number, since it uses less digits than its factorization.

55463645500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825127 (or 3825115 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

55463645500 divided by its reverse (554636455) gives a square (100 = 10²).

The spelling of 55463645500 in words is "fifty-five billion, four hundred sixty-three million, six hundred forty-five thousand, five hundred".