48223561 has 4 divisors (see below), whose sum is σ = 48701124. Its totient is φ = 47746000.

The previous prime is 48223547. The next prime is 48223573. The reversal of 48223561 is 16532284.

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 42653961 + 5569600 = 6531^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 48223561 - 2¹⁹ = 47699273 is a prime.

It is a super-3 number, since 3×48223561³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48223531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238630 + ... + 238831.

It is an arithmetic number, because the mean of its divisors is an integer number (12175281).

Almost surely, 2^48223561 is an apocalyptic number.

It is an amenable number.

48223561 is a deficient number, since it is larger than the sum of its proper divisors (477563).

48223561 is a wasteful number, since it uses less digits than its factorization.

48223561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477562.

The product of its digits is 11520, while the sum is 31.

The square root of 48223561 is about 6944.3186130822. The cubic root of 48223561 is about 363.9874633407.

It can be divided in two parts, 48223 and 561, that added together give a palindrome (48784).

The spelling of 48223561 in words is "forty-eight million, two hundred twenty-three thousand, five hundred sixty-one".