55335236649 has 32 divisors (see below), whose sum is σ = 92025206784. Its totient is φ = 28733278080.

The previous prime is 55335236641. The next prime is 55335236687. The reversal of 55335236649 is 94663253355.

It is not a de Polignac number, because 55335236649 - 2³ = 55335236641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55335236641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502732 + ... + 602834.

It is an arithmetic number, because the mean of its divisors is an integer number (2875787712).

Almost surely, 2^55335236649 is an apocalyptic number.

It is an amenable number.

55335236649 is a deficient number, since it is larger than the sum of its proper divisors (36689970135).

55335236649 is a wasteful number, since it uses less digits than its factorization.

55335236649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102517.

The product of its digits is 8748000, while the sum is 51.

The spelling of 55335236649 in words is "fifty-five billion, three hundred thirty-five million, two hundred thirty-six thousand, six hundred forty-nine".