55720730627 has 4 divisors (see below), whose sum is σ = 58653400680. Its totient is φ = 52788060576.

The previous prime is 55720730621. The next prime is 55720730647. The reversal of 55720730627 is 72603702755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72603702755 = 5 ⋅14520740551.

It is a cyclic number.

It is not a de Polignac number, because 55720730627 - 2⁶ = 55720730563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55720730621) 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 3 ways as a sum of consecutive naturals, for example, 1466334998 + ... + 1466335035.

It is an arithmetic number, because the mean of its divisors is an integer number (14663350170).

Almost surely, 2^55720730627 is an apocalyptic number.

55720730627 is a deficient number, since it is larger than the sum of its proper divisors (2932670053).

55720730627 is a wasteful number, since it uses less digits than its factorization.

55720730627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932670052.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 55720730627 in words is "fifty-five billion, seven hundred twenty million, seven hundred thirty thousand, six hundred twenty-seven".