56225705 has 4 divisors (see below), whose sum is σ = 67470852. Its totient is φ = 44980560.

The previous prime is 56225699. The next prime is 56225707. The reversal of 56225705 is 50752265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50752265 = 5 ⋅10150453.

It can be written as a sum of positive squares in 2 ways, for example, as 22306729 + 33918976 = 4723^2 + 5824^2 .

It is not a de Polignac number, because 56225705 - 2¹⁰ = 56224681 is a prime.

It is a super-2 number, since 2×56225705² = 6322659805494050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56225707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5622566 + ... + 5622575.

It is an arithmetic number, because the mean of its divisors is an integer number (16867713).

Almost surely, 2^56225705 is an apocalyptic number.

It is an amenable number.

56225705 is a deficient number, since it is larger than the sum of its proper divisors (11245147).

56225705 is a wasteful number, since it uses less digits than its factorization.

56225705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245146.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 56225705 is about 7498.3801584075. The cubic root of 56225705 is about 383.0995453266.

The spelling of 56225705 in words is "fifty-six million, two hundred twenty-five thousand, seven hundred five".