55032785 has 8 divisors (see below), whose sum is σ = 66249576. Its totient is φ = 43886080.

The previous prime is 55032773. The next prime is 55032799. The reversal of 55032785 is 58723055.

It can be written as a sum of positive squares in 4 ways, for example, as 450241 + 54582544 = 671^2 + 7388^2 .

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

It is not a de Polignac number, because 55032785 - 2¹⁶ = 54967249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15776 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (8281197).

Almost surely, 2^55032785 is an apocalyptic number.

It is an amenable number.

55032785 is a deficient number, since it is larger than the sum of its proper divisors (11216791).

55032785 is a wasteful number, since it uses less digits than its factorization.

55032785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35043.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 55032785 is about 7418.4085220484. The cubic root of 55032785 is about 380.3707945799.

The spelling of 55032785 in words is "fifty-five million, thirty-two thousand, seven hundred eighty-five".