55598256 has 120 divisors (see below), whose sum is σ = 187249920. Its totient is φ = 15043968.

The previous prime is 55598243. The next prime is 55598273. The reversal of 55598256 is 65289555.

55598256 is a `hidden beast` number, since 5 + 5 + 598 + 2 + 56 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17701 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (1560416).

Almost surely, 2^55598256 is an apocalyptic number.

55598256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55598256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93624960).

55598256 is an abundant number, since it is smaller than the sum of its proper divisors (131651664).

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

55598256 is a wasteful number, since it uses less digits than its factorization.

55598256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2934 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 55598256 is about 7456.4238076976. The cubic root of 55598256 is about 381.6691487627.

The spelling of 55598256 in words is "fifty-five million, five hundred ninety-eight thousand, two hundred fifty-six".