55302398649 has 16 divisors (see below), whose sum is σ = 81941419840. Its totient is φ = 36862892640.

The previous prime is 55302398647. The next prime is 55302398653. The reversal of 55302398649 is 94689320355.

55302398649 is a `hidden beast` number, since 5 + 530 + 23 + 9 + 86 + 4 + 9 = 666.

It is not a de Polignac number, because 55302398649 - 2¹ = 55302398647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55302398595 and 55302398604.

It is not an unprimeable number, because it can be changed into a prime (55302398647) 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 15 ways as a sum of consecutive naturals, for example, 43989 + ... + 335469.

It is an arithmetic number, because the mean of its divisors is an integer number (5121338740).

Almost surely, 2^55302398649 is an apocalyptic number.

It is an amenable number.

55302398649 is a deficient number, since it is larger than the sum of its proper divisors (26639021191).

55302398649 is a wasteful number, since it uses less digits than its factorization.

55302398649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298517 (or 298511 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 55302398649 in words is "fifty-five billion, three hundred two million, three hundred ninety-eight thousand, six hundred forty-nine".