53523577 has 4 divisors (see below), whose sum is σ = 55250176. Its totient is φ = 51796980.

The previous prime is 53523559. The next prime is 53523581. The reversal of 53523577 is 77532535.

53523577 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77532535 = 5 ⋅15506507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53523577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53523557) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 863253 + ... + 863314.

It is an arithmetic number, because the mean of its divisors is an integer number (13812544).

Almost surely, 2^53523577 is an apocalyptic number.

It is an amenable number.

53523577 is a deficient number, since it is larger than the sum of its proper divisors (1726599).

53523577 is a wasteful number, since it uses less digits than its factorization.

53523577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726598.

The product of its digits is 110250, while the sum is 37.

The square root of 53523577 is about 7315.9809321785. The cubic root of 53523577 is about 376.8614458005.

The spelling of 53523577 in words is "fifty-three million, five hundred twenty-three thousand, five hundred seventy-seven".