55050505549 has 8 divisors (see below), whose sum is σ = 59999440032. Its totient is φ = 50203611120.

The previous prime is 55050505511. The next prime is 55050505553. The reversal of 55050505549 is 94550505055.

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

It is not a de Polignac number, because 55050505549 - 2⁷ = 55050505421 is a prime.

It is a super-2 number, since 2×55050505549² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050505049) 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, 25508887 + ... + 25511044.

It is an arithmetic number, because the mean of its divisors is an integer number (7499930004).

Almost surely, 2^55050505549 is an apocalyptic number.

It is an amenable number.

55050505549 is a deficient number, since it is larger than the sum of its proper divisors (4948934483).

55050505549 is a wasteful number, since it uses less digits than its factorization.

55050505549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51020027.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55050505549 in words is "fifty-five billion, fifty million, five hundred five thousand, five hundred forty-nine".