55630520547013 has 4 divisors (see below), whose sum is σ = 58902904108620. Its totient is φ = 52358136985408.

The previous prime is 55630520546941. The next prime is 55630520547023. The reversal of 55630520547013 is 31074502503655.

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 51516247860324 + 4114272686689 = 7177482^2 + 2028367^2 .

It is a cyclic number.

It is not a de Polignac number, because 55630520547013 - 2²¹ = 55630518449861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55630520547023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636191780778 + ... + 1636191780811.

It is an arithmetic number, because the mean of its divisors is an integer number (14725726027155).

Almost surely, 2^{55630520547013} is an apocalyptic number.

It is an amenable number.

55630520547013 is a deficient number, since it is larger than the sum of its proper divisors (3272383561607).

55630520547013 is a wasteful number, since it uses less digits than its factorization.

55630520547013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272383561606.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 55630520547013 in words is "fifty-five trillion, six hundred thirty billion, five hundred twenty million, five hundred forty-seven thousand, thirteen".