56228250 has 128 divisors (see below), whose sum is σ = 155151360. Its totient is φ = 13478400.

The previous prime is 56228243. The next prime is 56228257. The reversal of 56228250 is 5282265.

It is an interprime number because it is at equal distance from previous prime (56228243) and next prime (56228257).

It is a super-3 number, since 3×56228250³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56228257) 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, 711711 + ... + 711789.

It is an arithmetic number, because the mean of its divisors is an integer number (1212120).

Almost surely, 2^56228250 is an apocalyptic number.

56228250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56228250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77575680).

56228250 is an abundant number, since it is smaller than the sum of its proper divisors (98923110).

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

56228250 is a wasteful number, since it uses less digits than its factorization.

56228250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 56228250 is about 7498.5498598062. The cubic root of 56228250 is about 383.1053254447.

The spelling of 56228250 in words is "fifty-six million, two hundred twenty-eight thousand, two hundred fifty".