53133251 has 8 divisors (see below), whose sum is σ = 54740400. Its totient is φ = 51543072.

The previous prime is 53133229. The next prime is 53133259. The reversal of 53133251 is 15233135.

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 53133251 - 2⁶ = 53133187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53133259) 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, 2261 + ... + 10553.

It is an arithmetic number, because the mean of its divisors is an integer number (6842550).

Almost surely, 2^53133251 is an apocalyptic number.

53133251 is a deficient number, since it is larger than the sum of its proper divisors (1607149).

53133251 is a wasteful number, since it uses less digits than its factorization.

53133251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485.

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

The square root of 53133251 is about 7289.2558605114. The cubic root of 53133251 is about 375.9431099796.

Adding to 53133251 its reverse (15233135), we get a palindrome (68366386).

The spelling of 53133251 in words is "fifty-three million, one hundred thirty-three thousand, two hundred fifty-one".