545505555101 has 16 divisors (see below), whose sum is σ = 599861989104. Its totient is φ = 493020463104.

The previous prime is 545505555047. The next prime is 545505555103. The reversal of 545505555101 is 101555505545.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 641608900 + 544863946201 = 25330^2 + 738149^2 .

It is a de Polignac number, because none of the positive numbers 2^k-545505555101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545505555103) 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, 1967876 + ... + 2227901.

It is an arithmetic number, because the mean of its divisors is an integer number (37491374319).

Almost surely, 2^545505555101 is an apocalyptic number.

It is an amenable number.

545505555101 is a deficient number, since it is larger than the sum of its proper divisors (54356434003).

545505555101 is a wasteful number, since it uses less digits than its factorization.

545505555101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196000.

The product of its (nonzero) digits is 312500, while the sum is 41.

The spelling of 545505555101 in words is "five hundred forty-five billion, five hundred five million, five hundred fifty-five thousand, one hundred one".