55545954550 has 12 divisors (see below), whose sum is σ = 103315475556. Its totient is φ = 22218381800.

The previous prime is 55545954533. The next prime is 55545954589. The reversal of 55545954550 is 5545954555.

55545954550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555459496 + ... + 555459595.

It is an arithmetic number, because the mean of its divisors is an integer number (8609622963).

Almost surely, 2^55545954550 is an apocalyptic number.

55545954550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55545954550 is a deficient number, since it is larger than the sum of its proper divisors (47769521006).

55545954550 is a wasteful number, since it uses less digits than its factorization.

55545954550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110919103 (or 1110919098 counting only the distinct ones).

The product of its (nonzero) digits is 11250000, while the sum is 52.

The spelling of 55545954550 in words is "fifty-five billion, five hundred forty-five million, nine hundred fifty-four thousand, five hundred fifty".