55585783 has 8 divisors (see below), whose sum is σ = 61004160. Its totient is φ = 50228280.

The previous prime is 55585781. The next prime is 55585787. The reversal of 55585783 is 38758555.

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 55585783 - 2¹ = 55585781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55585781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13293 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (7625520).

Almost surely, 2^55585783 is an apocalyptic number.

55585783 is a deficient number, since it is larger than the sum of its proper divisors (5418377).

55585783 is a wasteful number, since it uses less digits than its factorization.

55585783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30437.

The product of its digits is 840000, while the sum is 46.

The square root of 55585783 is about 7455.5873678738. The cubic root of 55585783 is about 381.6406052095.

The spelling of 55585783 in words is "fifty-five million, five hundred eighty-five thousand, seven hundred eighty-three".