47453522 has 4 divisors (see below), whose sum is σ = 71180286. Its totient is φ = 23726760.

The previous prime is 47453521. The next prime is 47453533. The reversal of 47453522 is 22535474.

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

It can be written as a sum of positive squares in only one way, i.e., 25090081 + 22363441 = 5009^2 + 4729^2 .

It is not an unprimeable number, because it can be changed into a prime (47453521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11863379 + ... + 11863382.

Almost surely, 2^47453522 is an apocalyptic number.

47453522 is a deficient number, since it is larger than the sum of its proper divisors (23726764).

47453522 is a wasteful number, since it uses less digits than its factorization.

47453522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23726763.

The product of its digits is 33600, while the sum is 32.

The square root of 47453522 is about 6888.6516822960. The cubic root of 47453522 is about 362.0396617208.

Adding to 47453522 its reverse (22535474), we get a palindrome (69988996).

The spelling of 47453522 in words is "forty-seven million, four hundred fifty-three thousand, five hundred twenty-two".