53503601 has 4 divisors (see below), whose sum is σ = 56319600. Its totient is φ = 50687604.

The previous prime is 53503529. The next prime is 53503603. The reversal of 53503601 is 10630535.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53503601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53503603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407971 + ... + 1408008.

It is an arithmetic number, because the mean of its divisors is an integer number (14079900).

Almost surely, 2^53503601 is an apocalyptic number.

It is an amenable number.

53503601 is a deficient number, since it is larger than the sum of its proper divisors (2815999).

53503601 is a wasteful number, since it uses less digits than its factorization.

53503601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815998.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 53503601 is about 7314.6155743142. The cubic root of 53503601 is about 376.8145560533.

The spelling of 53503601 in words is "fifty-three million, five hundred three thousand, six hundred one".