56530545 has 8 divisors (see below), whose sum is σ = 90448896. Its totient is φ = 30149616.

The previous prime is 56530511. The next prime is 56530603. The reversal of 56530545 is 54503565.

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

It is not a de Polignac number, because 56530545 - 2¹¹ = 56528497 is a prime.

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, 1884337 + ... + 1884366.

It is an arithmetic number, because the mean of its divisors is an integer number (11306112).

Almost surely, 2^56530545 is an apocalyptic number.

It is an amenable number.

56530545 is a deficient number, since it is larger than the sum of its proper divisors (33918351).

56530545 is a wasteful number, since it uses less digits than its factorization.

56530545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768711.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 56530545 is about 7518.6797378263. The cubic root of 56530545 is about 383.7906505902.

It can be divided in two parts, 56530 and 545, that added together give a palindrome (57075).

The spelling of 56530545 in words is "fifty-six million, five hundred thirty thousand, five hundred forty-five".