55916015 has 8 divisors (see below), whose sum is σ = 67437600. Its totient is φ = 44507232.

The previous prime is 55915961. The next prime is 55916053. The reversal of 55916015 is 51061955.

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

It is a cyclic number.

It is not a de Polignac number, because 55916015 - 2¹⁶ = 55850479 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27104 + ... + 29093.

It is an arithmetic number, because the mean of its divisors is an integer number (8429700).

Almost surely, 2^55916015 is an apocalyptic number.

55916015 is a deficient number, since it is larger than the sum of its proper divisors (11521585).

55916015 is a wasteful number, since it uses less digits than its factorization.

55916015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56401.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 55916015 is about 7477.7011841876. The cubic root of 55916015 is about 382.3948819035.

The spelling of 55916015 in words is "fifty-five million, nine hundred sixteen thousand, fifteen".