55000000050549 has 16 divisors (see below), whose sum is σ = 75878010364800. Its totient is φ = 35394859596096.

The previous prime is 55000000050511. The next prime is 55000000050559. The reversal of 55000000050549 is 94505000000055.

It is not a de Polignac number, because 55000000050549 - 2¹³ = 55000000042357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000000050509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66005794 + ... + 66833859.

It is an arithmetic number, because the mean of its divisors is an integer number (4742375647800).

Almost surely, 2^{55000000050549} is an apocalyptic number.

It is an amenable number.

55000000050549 is a deficient number, since it is larger than the sum of its proper divisors (20878010314251).

55000000050549 is a wasteful number, since it uses less digits than its factorization.

55000000050549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132844444.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 55000000050549 in words is "fifty-five trillion, fifty thousand, five hundred forty-nine".