56547245 has 8 divisors (see below), whose sum is σ = 70196760. Its totient is φ = 43677760.

The previous prime is 56547223. The next prime is 56547247. The reversal of 56547245 is 54274565.

It can be written as a sum of positive squares in 4 ways, for example, as 4519876 + 52027369 = 2126^2 + 7213^2 .

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

It is not a de Polignac number, because 56547245 - 2⁶ = 56547181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56547199 and 56547208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56547247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194846 + ... + 195135.

It is an arithmetic number, because the mean of its divisors is an integer number (8774595).

Almost surely, 2^56547245 is an apocalyptic number.

It is an amenable number.

56547245 is a deficient number, since it is larger than the sum of its proper divisors (13649515).

56547245 is a wasteful number, since it uses less digits than its factorization.

56547245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390015.

The product of its digits is 168000, while the sum is 38.

The square root of 56547245 is about 7519.7902231379. The cubic root of 56547245 is about 383.8284394400.

The spelling of 56547245 in words is "fifty-six million, five hundred forty-seven thousand, two hundred forty-five".