55329085 has 24 divisors (see below), whose sum is σ = 78710616. Its totient is φ = 37215360.

The previous prime is 55329059. The next prime is 55329103. The reversal of 55329085 is 58092355.

It can be written as a sum of positive squares in 4 ways, for example, as 24980004 + 30349081 = 4998^2 + 5509^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55329085 is a prime.

It is a super-2 number, since 2×55329085² = 6122615293874450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10855 + ... + 15115.

It is an arithmetic number, because the mean of its divisors is an integer number (3279609).

Almost surely, 2^55329085 is an apocalyptic number.

It is an amenable number.

55329085 is a deficient number, since it is larger than the sum of its proper divisors (23381531).

55329085 is a wasteful number, since it uses less digits than its factorization.

55329085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4326 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 55329085 is about 7438.3523041061. The cubic root of 55329085 is about 381.0522199098.

The spelling of 55329085 in words is "fifty-five million, three hundred twenty-nine thousand, eighty-five".