60001555520 has 56 divisors (see below), whose sum is σ = 142901160984. Its totient is φ = 23996850176.

The previous prime is 60001555483. The next prime is 60001555529. The reversal of 60001555520 is 2555510006.

It can be written as a sum of positive squares in 4 ways, for example, as 1692828736 + 58308726784 = 41144^2 + 241472^2 .

It is not an unprimeable number, because it can be changed into a prime (60001555529) 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 7 ways as a sum of consecutive naturals, for example, 2963672 + ... + 2983848.

Almost surely, 2^60001555520 is an apocalyptic number.

It is an amenable number.

60001555520 is an abundant number, since it is smaller than the sum of its proper divisors (82899605464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60001555520 is a wasteful number, since it uses less digits than its factorization.

60001555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29487 (or 29477 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 60001555520 in words is "sixty billion, one million, five hundred fifty-five thousand, five hundred twenty".