55510662645 has 12 divisors (see below), whose sum is σ = 96218481996. Its totient is φ = 29605686720.

The previous prime is 55510662631. The next prime is 55510662659. The reversal of 55510662645 is 54626601555.

55510662645 is a `hidden beast` number, since 5 + 5 + 5 + 10 + 6 + 626 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (55510662631) and next prime (55510662659).

It can be written as a sum of positive squares in 2 ways, for example, as 37638716049 + 17871946596 = 194007^2 + 133686^2 .

It is not a de Polignac number, because 55510662645 - 2¹⁸ = 55510400501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1233570281 = 55510662645 / (5 + 5 + 5 + 1 + 0 + 6 + 6 + 2 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 55510662645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616785096 + ... + 616785185.

It is an arithmetic number, because the mean of its divisors is an integer number (8018206833).

Almost surely, 2^55510662645 is an apocalyptic number.

It is an amenable number.

55510662645 is a deficient number, since it is larger than the sum of its proper divisors (40707819351).

55510662645 is a wasteful number, since it uses less digits than its factorization.

55510662645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233570292 (or 1233570289 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 55510662645 in words is "fifty-five billion, five hundred ten million, six hundred sixty-two thousand, six hundred forty-five".