55061100657 has 12 divisors (see below), whose sum is σ = 79612485940. Its totient is φ = 36670576608.

The previous prime is 55061100643. The next prime is 55061100683. The reversal of 55061100657 is 75600116055.

It can be written as a sum of positive squares in 2 ways, for example, as 34945068096 + 20116032561 = 186936^2 + 141831^2 .

It is not a de Polignac number, because 55061100657 - 2⁷ = 55061100529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55061100617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3059182 + ... + 3077127.

Almost surely, 2^55061100657 is an apocalyptic number.

It is an amenable number.

55061100657 is a deficient number, since it is larger than the sum of its proper divisors (24551385283).

55061100657 is a wasteful number, since it uses less digits than its factorization.

55061100657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137312 (or 6137309 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 55061100657 in words is "fifty-five billion, sixty-one million, one hundred thousand, six hundred fifty-seven".