55445654455 has 16 divisors (see below), whose sum is σ = 67654669824. Its totient is φ = 43610561280.

The previous prime is 55445654447. The next prime is 55445654483.

55445654455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55445654455 - 2³ = 55445654447 is a prime.

It is a super-2 number, since 2×55445654455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691882 + ... + 767848.

It is an arithmetic number, because the mean of its divisors is an integer number (4228416864).

Almost surely, 2^55445654455 is an apocalyptic number.

55445654455 is a deficient number, since it is larger than the sum of its proper divisors (12209015369).

55445654455 is a wasteful number, since it uses less digits than its factorization.

55445654455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78426.

The product of its digits is 24000000, while the sum is 52.

The spelling of 55445654455 in words is "fifty-five billion, four hundred forty-five million, six hundred fifty-four thousand, four hundred fifty-five".