60556720 has 80 divisors (see below), whose sum is σ = 170399808. Its totient is φ = 19537920.

The previous prime is 60556711. The next prime is 60556721. The reversal of 60556720 is 2765506.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (60556721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6340 + ... + 12700.

Almost surely, 2^60556720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60556720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85199904).

60556720 is an abundant number, since it is smaller than the sum of its proper divisors (109843088).

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

60556720 is a wasteful number, since it uses less digits than its factorization.

60556720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6392 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 60556720 is about 7781.8198385725. The cubic root of 60556720 is about 392.6938634183.

The spelling of 60556720 in words is "sixty million, five hundred fifty-six thousand, seven hundred twenty".