53228573 has 4 divisors (see below), whose sum is σ = 53319840. Its totient is φ = 53137308.

The previous prime is 53228563. The next prime is 53228587. The reversal of 53228573 is 37582235.

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 53228573 - 2⁸ = 53228317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53228563) 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, 44753 + ... + 45926.

It is an arithmetic number, because the mean of its divisors is an integer number (13329960).

Almost surely, 2^53228573 is an apocalyptic number.

It is an amenable number.

53228573 is a deficient number, since it is larger than the sum of its proper divisors (91267).

53228573 is an equidigital number, since it uses as much as digits as its factorization.

53228573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91266.

The product of its digits is 50400, while the sum is 35.

The square root of 53228573 is about 7295.7914580942. The cubic root of 53228573 is about 376.1677918870.

The spelling of 53228573 in words is "fifty-three million, two hundred twenty-eight thousand, five hundred seventy-three".