55915086 has 8 divisors (see below), whose sum is σ = 111830184. Its totient is φ = 18638360.

The previous prime is 55915073. The next prime is 55915087. The reversal of 55915086 is 68051955.

55915086 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.

55915086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55915087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4659585 + ... + 4659596.

It is an arithmetic number, because the mean of its divisors is an integer number (13978773).

Almost surely, 2^55915086 is an apocalyptic number.

55915086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55915086 is a wasteful number, since it uses less digits than its factorization.

55915086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319186.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55915086 is about 7477.6390659084. The cubic root of 55915086 is about 382.3927641631.

The spelling of 55915086 in words is "fifty-five million, nine hundred fifteen thousand, eighty-six".