55455502405 has 8 divisors (see below), whose sum is σ = 66805540632. Its totient is φ = 44191776768.

The previous prime is 55455502391. The next prime is 55455502451. The reversal of 55455502405 is 50420555455.

55455502405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22060863841 + 33394638564 = 148529^2 + 182742^2 .

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 55455502405 - 2²¹ = 55453405253 is a prime.

It is a Duffinian number.

It is a congruent 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, 21576732 + ... + 21579301.

It is an arithmetic number, because the mean of its divisors is an integer number (8350692579).

Almost surely, 2^55455502405 is an apocalyptic number.

It is an amenable number.

55455502405 is a deficient number, since it is larger than the sum of its proper divisors (11350038227).

55455502405 is a wasteful number, since it uses less digits than its factorization.

55455502405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43156295.

The product of its (nonzero) digits is 500000, while the sum is 40.

The spelling of 55455502405 in words is "fifty-five billion, four hundred fifty-five million, five hundred two thousand, four hundred five".