215560060 has 48 divisors (see below), whose sum is σ = 459841536. Its totient is φ = 84871232.

The previous prime is 215560049. The next prime is 215560061. The reversal of 215560060 is 60065512.

215560060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215560060² = 92932278934407200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215560061) 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 15 ways as a sum of consecutive naturals, for example, 562629 + ... + 563011.

It is an arithmetic number, because the mean of its divisors is an integer number (9580032).

Almost surely, 2^215560060 is an apocalyptic number.

215560060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215560060 is an abundant number, since it is smaller than the sum of its proper divisors (244281476).

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

215560060 is a wasteful number, since it uses less digits than its factorization.

215560060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 215560060 is about 14681.9637651099. The cubic root of 215560060 is about 599.5923712756.

The spelling of 215560060 in words is "two hundred fifteen million, five hundred sixty thousand, sixty".