55065240505 has 16 divisors (see below), whose sum is σ = 72099103104. Its totient is φ = 40039838080.

The previous prime is 55065240497. The next prime is 55065240523. The reversal of 55065240505 is 50504256055.

55065240505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55065240505 - 2³ = 55065240497 is a prime.

It is a Duffinian 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, 205524 + ... + 390346.

It is an arithmetic number, because the mean of its divisors is an integer number (4506193944).

Almost surely, 2^55065240505 is an apocalyptic number.

55065240505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55065240505 is a deficient number, since it is larger than the sum of its proper divisors (17033862599).

55065240505 is a wasteful number, since it uses less digits than its factorization.

55065240505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190256.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 55065240505 in words is "fifty-five billion, sixty-five million, two hundred forty thousand, five hundred five".