55649085 has 8 divisors (see below), whose sum is σ = 89038560. Its totient is φ = 29679504.

The previous prime is 55649053. The next prime is 55649107. The reversal of 55649085 is 58094655.

55649085 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 not a de Polignac number, because 55649085 - 2⁵ = 55649053 is a prime.

It is a super-2 number, since 2×55649085² = 6193641322674450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1854955 + ... + 1854984.

It is an arithmetic number, because the mean of its divisors is an integer number (11129820).

Almost surely, 2^55649085 is an apocalyptic number.

It is an amenable number.

55649085 is a deficient number, since it is larger than the sum of its proper divisors (33389475).

55649085 is a wasteful number, since it uses less digits than its factorization.

55649085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709947.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 55649085 is about 7459.8314324119. The cubic root of 55649085 is about 381.7854231068.

The spelling of 55649085 in words is "fifty-five million, six hundred forty-nine thousand, eighty-five".