53224257 has 8 divisors (see below), whose sum is σ = 72475776. Its totient is φ = 34727792.

The previous prime is 53224247. The next prime is 53224267. The reversal of 53224257 is 75242235.

It is an interprime number because it is at equal distance from previous prime (53224247) and next prime (53224267).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53224257 - 2¹² = 53220161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53224207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188598 + ... + 188879.

It is an arithmetic number, because the mean of its divisors is an integer number (9059472).

Almost surely, 2^53224257 is an apocalyptic number.

It is an amenable number.

53224257 is a deficient number, since it is larger than the sum of its proper divisors (19251519).

53224257 is a wasteful number, since it uses less digits than its factorization.

53224257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377527.

The product of its digits is 16800, while the sum is 30.

The square root of 53224257 is about 7295.4956651348. The cubic root of 53224257 is about 376.1576245152.

The spelling of 53224257 in words is "fifty-three million, two hundred twenty-four thousand, two hundred fifty-seven".