53408522 has 4 divisors (see below), whose sum is σ = 80112786. Its totient is φ = 26704260.

The previous prime is 53408521. The next prime is 53408539. The reversal of 53408522 is 22580435.

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., 51423241 + 1985281 = 7171^2 + 1409^2 .

It is not an unprimeable number, because it can be changed into a prime (53408521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13352129 + ... + 13352132.

Almost surely, 2^53408522 is an apocalyptic number.

53408522 is a deficient number, since it is larger than the sum of its proper divisors (26704264).

53408522 is a wasteful number, since it uses less digits than its factorization.

53408522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26704263.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 53408522 is about 7308.1134364486. The cubic root of 53408522 is about 376.5912166033.

Adding to 53408522 its reverse (22580435), we get a palindrome (75988957).

The spelling of 53408522 in words is "fifty-three million, four hundred eight thousand, five hundred twenty-two".