55885733 has 4 divisors (see below), whose sum is σ = 56672928. Its totient is φ = 55098540.

The previous prime is 55885723. The next prime is 55885757. The reversal of 55885733 is 33758855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55885733 - 2²⁰ = 54837157 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 (55885723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393491 + ... + 393632.

It is an arithmetic number, because the mean of its divisors is an integer number (14168232).

Almost surely, 2^55885733 is an apocalyptic number.

It is an amenable number.

55885733 is a deficient number, since it is larger than the sum of its proper divisors (787195).

55885733 is an equidigital number, since it uses as much as digits as its factorization.

55885733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787194.

The product of its digits is 504000, while the sum is 44.

The square root of 55885733 is about 7475.6760898263. The cubic root of 55885733 is about 382.3258392341.

The spelling of 55885733 in words is "fifty-five million, eight hundred eighty-five thousand, seven hundred thirty-three".