53530394 has 4 divisors (see below), whose sum is σ = 80295594. Its totient is φ = 26765196.

The previous prime is 53530381. The next prime is 53530417. The reversal of 53530394 is 49303535.

53530394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49303535 = 5 ⋅9860707.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 11992369 = 6445^2 + 3463^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53530394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13382597 + ... + 13382600.

Almost surely, 2^53530394 is an apocalyptic number.

53530394 is a deficient number, since it is larger than the sum of its proper divisors (26765200).

53530394 is a wasteful number, since it uses less digits than its factorization.

53530394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26765199.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 53530394 is about 7316.4468152239. The cubic root of 53530394 is about 376.8774447027.

The spelling of 53530394 in words is "fifty-three million, five hundred thirty thousand, three hundred ninety-four".