55560889091 has 8 divisors (see below), whose sum is σ = 55649689920. Its totient is φ = 55472159232.

The previous prime is 55560889051. The next prime is 55560889093. The reversal of 55560889091 is 19098806555.

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 55560889091 - 2¹⁰ = 55560888067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55560889093) 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, 1675811 + ... + 1708643.

It is an arithmetic number, because the mean of its divisors is an integer number (6956211240).

Almost surely, 2^55560889091 is an apocalyptic number.

55560889091 is a deficient number, since it is larger than the sum of its proper divisors (88800829).

55560889091 is a wasteful number, since it uses less digits than its factorization.

55560889091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35485.

The product of its (nonzero) digits is 3888000, while the sum is 56.

The spelling of 55560889091 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, ninety-one".