53233151 has 4 divisors (see below), whose sum is σ = 53366304. Its totient is φ = 53100000.

The previous prime is 53233099. The next prime is 53233153. The reversal of 53233151 is 15133235.

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

It is a cyclic number.

It is not a de Polignac number, because 53233151 - 2¹⁸ = 52971007 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 (53233153) 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, 65975 + ... + 66776.

It is an arithmetic number, because the mean of its divisors is an integer number (13341576).

Almost surely, 2^53233151 is an apocalyptic number.

53233151 is a deficient number, since it is larger than the sum of its proper divisors (133153).

53233151 is a wasteful number, since it uses less digits than its factorization.

53233151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133152.

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

The square root of 53233151 is about 7296.1051938688. The cubic root of 53233151 is about 376.1785758618.

Adding to 53233151 its reverse (15133235), we get a palindrome (68366386).

The spelling of 53233151 in words is "fifty-three million, two hundred thirty-three thousand, one hundred fifty-one".