55656550153 has 4 divisors (see below), whose sum is σ = 57014027028. Its totient is φ = 54299073280.

The previous prime is 55656550151. The next prime is 55656550177. The reversal of 55656550153 is 35105565655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25036099984 + 30620450169 = 158228^2 + 174987^2 .

It is a cyclic number.

It is not a de Polignac number, because 55656550153 - 2¹ = 55656550151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55656550151) 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 3 ways as a sum of consecutive naturals, for example, 678738376 + ... + 678738457.

It is an arithmetic number, because the mean of its divisors is an integer number (14253506757).

Almost surely, 2^55656550153 is an apocalyptic number.

It is an amenable number.

55656550153 is a deficient number, since it is larger than the sum of its proper divisors (1357476875).

55656550153 is a wasteful number, since it uses less digits than its factorization.

55656550153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357476874.

The product of its (nonzero) digits is 1687500, while the sum is 46.

The spelling of 55656550153 in words is "fifty-five billion, six hundred fifty-six million, five hundred fifty thousand, one hundred fifty-three".