55860515 has 8 divisors (see below), whose sum is σ = 67114320. Its totient is φ = 44633952.

The previous prime is 55860509. The next prime is 55860523. The reversal of 55860515 is 51506855.

55860515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55860515 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (8389290).

Almost surely, 2^55860515 is an apocalyptic number.

55860515 is a deficient number, since it is larger than the sum of its proper divisors (11253805).

55860515 is a wasteful number, since it uses less digits than its factorization.

55860515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 55860515 is about 7473.9892293206. The cubic root of 55860515 is about 382.2683234003.

The spelling of 55860515 in words is "fifty-five million, eight hundred sixty thousand, five hundred fifteen".