60655560 has 128 divisors (see below), whose sum is σ = 209710080. Its totient is φ = 13747968.

The previous prime is 60655549. The next prime is 60655579. The reversal of 60655560 is 6555606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136699 + ... + 137141.

It is an arithmetic number, because the mean of its divisors is an integer number (1638360).

Almost surely, 2^60655560 is an apocalyptic number.

60655560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60655560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104855040).

60655560 is an abundant number, since it is smaller than the sum of its proper divisors (149054520).

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

60655560 is a wasteful number, since it uses less digits than its factorization.

60655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 60655560 is about 7788.1679488825. The cubic root of 60655560 is about 392.9073974593.

The spelling of 60655560 in words is "sixty million, six hundred fifty-five thousand, five hundred sixty".