55785535 has 8 divisors (see below), whose sum is σ = 72092160. Its totient is φ = 41195424.

The previous prime is 55785497. The next prime is 55785547. The reversal of 55785535 is 53558755.

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

It is a cyclic number.

It is not a de Polignac number, because 55785535 - 2¹⁷ = 55654463 is a prime.

It is a super-2 number, since 2×55785535² = 6224051830472450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55785491 and 55785500.

It is a congruent 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, 429055 + ... + 429184.

It is an arithmetic number, because the mean of its divisors is an integer number (9011520).

Almost surely, 2^55785535 is an apocalyptic number.

55785535 is a deficient number, since it is larger than the sum of its proper divisors (16306625).

55785535 is a wasteful number, since it uses less digits than its factorization.

55785535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858257.

The product of its digits is 525000, while the sum is 43.

The square root of 55785535 is about 7468.9714820717. The cubic root of 55785535 is about 382.0972108071.

The spelling of 55785535 in words is "fifty-five million, seven hundred eighty-five thousand, five hundred thirty-five".