60505402057 has 4 divisors (see below), whose sum is σ = 61497293956. Its totient is φ = 59513510160.

The previous prime is 60505402043. The next prime is 60505402063. The reversal of 60505402057 is 75020450506.

60505402057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33558209721 + 26947192336 = 183189^2 + 164156^2 .

It is a cyclic number.

It is not a de Polignac number, because 60505402057 - 2¹⁵ = 60505369289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60505400057) 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, 495945858 + ... + 495945979.

It is an arithmetic number, because the mean of its divisors is an integer number (15374323489).

Almost surely, 2^60505402057 is an apocalyptic number.

It is an amenable number.

60505402057 is a deficient number, since it is larger than the sum of its proper divisors (991891899).

60505402057 is an equidigital number, since it uses as much as digits as its factorization.

60505402057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991891898.

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 60505402057 in words is "sixty billion, five hundred five million, four hundred two thousand, fifty-seven".