56229145 has 8 divisors (see below), whose sum is σ = 77114304. Its totient is φ = 38557104.

The previous prime is 56229109. The next prime is 56229157. The reversal of 56229145 is 54192265.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56229145 is a prime.

It is a super-3 number, since 3×56229145³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56229145.

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, 803239 + ... + 803308.

It is an arithmetic number, because the mean of its divisors is an integer number (9639288).

Almost surely, 2^56229145 is an apocalyptic number.

It is an amenable number.

56229145 is a deficient number, since it is larger than the sum of its proper divisors (20885159).

56229145 is a wasteful number, since it uses less digits than its factorization.

56229145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606559.

The product of its digits is 21600, while the sum is 34.

The square root of 56229145 is about 7498.6095377743. The cubic root of 56229145 is about 383.1073580970.

The spelling of 56229145 in words is "fifty-six million, two hundred twenty-nine thousand, one hundred forty-five".