55004040013 has 8 divisors (see below), whose sum is σ = 59243719808. Its totient is φ = 50765588784.

The previous prime is 55004040011. The next prime is 55004040029. The reversal of 55004040013 is 31004040055.

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 55004040013 - 2¹ = 55004040011 is a prime.

It is a super-3 number, since 3×55004040013³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55004040011) 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, 213081 + ... + 394222.

It is an arithmetic number, because the mean of its divisors is an integer number (7405464976).

Almost surely, 2^55004040013 is an apocalyptic number.

It is an amenable number.

55004040013 is a deficient number, since it is larger than the sum of its proper divisors (4239679795).

55004040013 is a wasteful number, since it uses less digits than its factorization.

55004040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614283.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 55004040013 its reverse (31004040055), we get a palindrome (86008080068).

The spelling of 55004040013 in words is "fifty-five billion, four million, forty thousand, thirteen".