60655427557 has 2 divisors, whose sum is σ = 60655427558. Its totient is φ = 60655427556.

The previous prime is 60655427507. The next prime is 60655427683. The reversal of 60655427557 is 75572455606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60649405441 + 6022116 = 246271^2 + 2454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60655427557 is a prime.

It is a super-3 number, since 3×60655427557³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60655427507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30327713778 + 30327713779.

It is an arithmetic number, because the mean of its divisors is an integer number (30327713779).

Almost surely, 2^60655427557 is an apocalyptic number.

It is an amenable number.

60655427557 is a deficient number, since it is larger than the sum of its proper divisors (1).

60655427557 is an equidigital number, since it uses as much as digits as its factorization.

60655427557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 60655427557 in words is "sixty billion, six hundred fifty-five million, four hundred twenty-seven thousand, five hundred fifty-seven".