55001568409 has 8 divisors (see below), whose sum is σ = 58529606400. Its totient is φ = 51506047296.

The previous prime is 55001568383. The next prime is 55001568421. The reversal of 55001568409 is 90486510055.

55001568409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55001568409 - 2¹³ = 55001560217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55001562409) 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, 8125729 + ... + 8132494.

It is an arithmetic number, because the mean of its divisors is an integer number (7316200800).

Almost surely, 2^55001568409 is an apocalyptic number.

It is an amenable number.

55001568409 is a deficient number, since it is larger than the sum of its proper divisors (3528037991).

55001568409 is a wasteful number, since it uses less digits than its factorization.

55001568409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258439.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 55001568409 in words is "fifty-five billion, one million, five hundred sixty-eight thousand, four hundred nine".