55833856 has 72 divisors (see below), whose sum is σ = 126482720. Its totient is φ = 24385536.

The previous prime is 55833793. The next prime is 55833863. The reversal of 55833856 is 65833855.

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, 62791 + ... + 63673.

Almost surely, 2^55833856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55833856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63241360).

55833856 is an abundant number, since it is smaller than the sum of its proper divisors (70648864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55833856 is a wasteful number, since it uses less digits than its factorization.

55833856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 917 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 55833856 is about 7472.2055646241. The cubic root of 55833856 is about 382.2075021874.

Subtracting 55833856 from its reverse (65833855), we obtain a palindrome (9999999).

The spelling of 55833856 in words is "fifty-five million, eight hundred thirty-three thousand, eight hundred fifty-six".