60556989 has 16 divisors (see below), whose sum is σ = 81710720. Its totient is φ = 39890880.

The previous prime is 60556967. The next prime is 60556997. The reversal of 60556989 is 98965506.

It is not a de Polignac number, because 60556989 - 2¹² = 60552893 is a prime.

It is a super-2 number, since 2×60556989² = 7334297833492242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60556939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124104 + ... + 124590.

It is an arithmetic number, because the mean of its divisors is an integer number (5106920).

Almost surely, 2^60556989 is an apocalyptic number.

It is an amenable number.

60556989 is a deficient number, since it is larger than the sum of its proper divisors (21153731).

60556989 is a wasteful number, since it uses less digits than its factorization.

60556989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 60556989 is about 7781.8371224281. The cubic root of 60556989 is about 392.6944448814.

The spelling of 60556989 in words is "sixty million, five hundred fifty-six thousand, nine hundred eighty-nine".