56228556 has 12 divisors (see below), whose sum is σ = 131199992. Its totient is φ = 18742848.

The previous prime is 56228551. The next prime is 56228561. The reversal of 56228556 is 65582265.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56228551) and next prime (56228561).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×56228556³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56228551) 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, 2342845 + ... + 2342868.

Almost surely, 2^56228556 is an apocalyptic number.

It is an amenable number.

56228556 is an abundant number, since it is smaller than the sum of its proper divisors (74971436).

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

56228556 is a wasteful number, since it uses less digits than its factorization.

56228556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685720 (or 4685718 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 56228556 is about 7498.5702637236. The cubic root of 56228556 is about 383.1060204098.

The spelling of 56228556 in words is "fifty-six million, two hundred twenty-eight thousand, five hundred fifty-six".