55050454561 has 16 divisors (see below), whose sum is σ = 58482820800. Its totient is φ = 51639856128.

The previous prime is 55050454559. The next prime is 55050454727. The reversal of 55050454561 is 16545405055.

It is a cyclic number.

It is not a de Polignac number, because 55050454561 - 2¹ = 55050454559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050454961) 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, 16614841 + ... + 16618153.

It is an arithmetic number, because the mean of its divisors is an integer number (3655176300).

Almost surely, 2^55050454561 is an apocalyptic number.

It is an amenable number.

55050454561 is a deficient number, since it is larger than the sum of its proper divisors (3432366239).

55050454561 is a wasteful number, since it uses less digits than its factorization.

55050454561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 55050454561 in words is "fifty-five billion, fifty million, four hundred fifty-four thousand, five hundred sixty-one".