53357223 has 4 divisors (see below), whose sum is σ = 71142968. Its totient is φ = 35571480.

The previous prime is 53357201. The next prime is 53357243. The reversal of 53357223 is 32275335.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53357223 - 2⁸ = 53356967 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 (53357243) 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, 8892868 + ... + 8892873.

It is an arithmetic number, because the mean of its divisors is an integer number (17785742).

Almost surely, 2^53357223 is an apocalyptic number.

53357223 is a deficient number, since it is larger than the sum of its proper divisors (17785745).

53357223 is a wasteful number, since it uses less digits than its factorization.

53357223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785744.

The product of its digits is 18900, while the sum is 30.

The square root of 53357223 is about 7304.6028639482. The cubic root of 53357223 is about 376.4706057555.

The spelling of 53357223 in words is "fifty-three million, three hundred fifty-seven thousand, two hundred twenty-three".