53296521 has 4 divisors (see below), whose sum is σ = 71062032. Its totient is φ = 35531012.

The previous prime is 53296517. The next prime is 53296549. The reversal of 53296521 is 12569235.

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 not a de Polignac number, because 53296521 - 2² = 53296517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53296511) 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, 8882751 + ... + 8882756.

It is an arithmetic number, because the mean of its divisors is an integer number (17765508).

Almost surely, 2^53296521 is an apocalyptic number.

It is an amenable number.

53296521 is a deficient number, since it is larger than the sum of its proper divisors (17765511).

53296521 is a wasteful number, since it uses less digits than its factorization.

53296521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17765510.

The product of its digits is 16200, while the sum is 33.

The square root of 53296521 is about 7300.4466301727. The cubic root of 53296521 is about 376.3277872892.

The spelling of 53296521 in words is "fifty-three million, two hundred ninety-six thousand, five hundred twenty-one".