48578545 has 4 divisors (see below), whose sum is σ = 58294260. Its totient is φ = 38862832.

The previous prime is 48578533. The next prime is 48578549. The reversal of 48578545 is 54587584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14145121 + 34433424 = 3761^2 + 5868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48578545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48578495 and 48578504.

It is not an unprimeable number, because it can be changed into a prime (48578549) 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, 4857850 + ... + 4857859.

It is an arithmetic number, because the mean of its divisors is an integer number (14573565).

Almost surely, 2^48578545 is an apocalyptic number.

It is an amenable number.

48578545 is a deficient number, since it is larger than the sum of its proper divisors (9715715).

48578545 is an equidigital number, since it uses as much as digits as its factorization.

48578545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715714.

The product of its digits is 896000, while the sum is 46.

The square root of 48578545 is about 6969.8310596456. The cubic root of 48578545 is about 364.8784107422.

The spelling of 48578545 in words is "forty-eight million, five hundred seventy-eight thousand, five hundred forty-five".