55041801605 has 16 divisors (see below), whose sum is σ = 75758424960. Its totient is φ = 37606686912.

The previous prime is 55041801599. The next prime is 55041801641. The reversal of 55041801605 is 50610814055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55041801605 - 2⁴ = 55041801589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent 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, 2828975 + ... + 2848364.

It is an arithmetic number, because the mean of its divisors is an integer number (4734901560).

Almost surely, 2^55041801605 is an apocalyptic number.

It is an amenable number.

55041801605 is a deficient number, since it is larger than the sum of its proper divisors (20716623355).

55041801605 is a wasteful number, since it uses less digits than its factorization.

55041801605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677628.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 55041801605 in words is "fifty-five billion, forty-one million, eight hundred one thousand, six hundred five".