48474388561 has 3 divisors (see below), whose sum is σ = 48474608731. Its totient is φ = 48474168392.

The previous prime is 48474388513. The next prime is 48474388577. The reversal of 48474388561 is 16588347484.

The square root of 48474388561 is 220169.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 27899354961 + 20575033600 = 167031^2 + 143440^2 .

It is not a de Polignac number, because 48474388561 - 2³¹ = 46326904913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48474388496 and 48474388505.

It is not an unprimeable number, because it can be changed into a prime (48474380561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 110085 + ... + 330253.

Almost surely, 2^48474388561 is an apocalyptic number.

48474388561 is the 220169-th square number.

48474388561 is the 110085-th centered octagonal number.

It is an amenable number.

48474388561 is a deficient number, since it is larger than the sum of its proper divisors (220170).

48474388561 is an frugal number, since it uses more digits than its factorization.

48474388561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440338 (or 220169 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 58.

The spelling of 48474388561 in words is "forty-eight billion, four hundred seventy-four million, three hundred eighty-eight thousand, five hundred sixty-one".