55405064105 has 8 divisors (see below), whose sum is σ = 68282998152. Its totient is φ = 43126103808.

The previous prime is 55405064093. The next prime is 55405064111. The reversal of 55405064105 is 50146050455.

It can be written as a sum of positive squares in 4 ways, for example, as 10476750736 + 44928313369 = 102356^2 + 211963^2 .

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 55405064105 - 2⁶ = 55405064041 is a prime.

It is a super-2 number, since 2×55405064105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149743232 + ... + 149743601.

It is an arithmetic number, because the mean of its divisors is an integer number (8535374769).

Almost surely, 2^55405064105 is an apocalyptic number.

It is an amenable number.

55405064105 is a deficient number, since it is larger than the sum of its proper divisors (12877934047).

55405064105 is a wasteful number, since it uses less digits than its factorization.

55405064105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299486875.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 55405064105 in words is "fifty-five billion, four hundred five million, sixty-four thousand, one hundred five".