55315085 has 8 divisors (see below), whose sum is σ = 75860736. Its totient is φ = 37930320.

The previous prime is 55315049. The next prime is 55315087. The reversal of 55315085 is 58051355.

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

It is not a de Polignac number, because 55315085 - 2¹² = 55310989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55315087) 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 7 ways as a sum of consecutive naturals, for example, 790181 + ... + 790250.

It is an arithmetic number, because the mean of its divisors is an integer number (9482592).

Almost surely, 2^55315085 is an apocalyptic number.

It is an amenable number.

55315085 is a deficient number, since it is larger than the sum of its proper divisors (20545651).

55315085 is a wasteful number, since it uses less digits than its factorization.

55315085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580443.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 55315085 is about 7437.4111759402. The cubic root of 55315085 is about 381.0200777969.

The spelling of 55315085 in words is "fifty-five million, three hundred fifteen thousand, eighty-five".