55850256 has 320 divisors, whose sum is σ = 211415040. Its totient is φ = 13685760.

The previous prime is 55850243. The next prime is 55850257. The reversal of 55850256 is 65205855.

55850256 is a `hidden beast` number, since 558 + 50 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55850256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55850257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 765036 + ... + 765108.

It is an arithmetic number, because the mean of its divisors is an integer number (660672).

Almost surely, 2^55850256 is an apocalyptic number.

55850256 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 55850256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105707520).

55850256 is an abundant number, since it is smaller than the sum of its proper divisors (155564784).

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

55850256 is a wasteful number, since it uses less digits than its factorization.

55850256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 55850256 is about 7473.3028842674. The cubic root of 55850256 is about 382.2449202814.

The spelling of 55850256 in words is "fifty-five million, eight hundred fifty thousand, two hundred fifty-six".