56227440 has 40 divisors (see below), whose sum is σ = 174305808. Its totient is φ = 14993920.

The previous prime is 56227429. The next prime is 56227453. The reversal of 56227440 is 4472265.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 56227398 and 56227407.

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, 116901 + ... + 117380.

Almost surely, 2^56227440 is an apocalyptic number.

It is an amenable number.

56227440 is an abundant number, since it is smaller than the sum of its proper divisors (118078368).

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

56227440 is a wasteful number, since it uses less digits than its factorization.

56227440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234297 (or 234291 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 56227440 is about 7498.4958491687. The cubic root of 56227440 is about 383.1034858190.

The spelling of 56227440 in words is "fifty-six million, two hundred twenty-seven thousand, four hundred forty".