55555105549 has 8 divisors (see below), whose sum is σ = 57391326720. Its totient is φ = 53721642000.

The previous prime is 55555105547. The next prime is 55555105553. The reversal of 55555105549 is 94550155555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55555105549 - 2¹ = 55555105547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555105547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648409 + ... + 729070.

It is an arithmetic number, because the mean of its divisors is an integer number (7173915840).

Almost surely, 2^55555105549 is an apocalyptic number.

It is an amenable number.

55555105549 is a deficient number, since it is larger than the sum of its proper divisors (1836221171).

55555105549 is a wasteful number, since it uses less digits than its factorization.

55555105549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378811.

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 55555105549 in words is "fifty-five billion, five hundred fifty-five million, one hundred five thousand, five hundred forty-nine".