53131151 has 4 divisors (see below), whose sum is σ = 53657304. Its totient is φ = 52605000.

The previous prime is 53131139. The next prime is 53131193. The reversal of 53131151 is 15113135.

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 53131151 - 2¹⁴ = 53114767 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 (53131651) 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, 262925 + ... + 263126.

It is an arithmetic number, because the mean of its divisors is an integer number (13414326).

Almost surely, 2^53131151 is an apocalyptic number.

53131151 is a deficient number, since it is larger than the sum of its proper divisors (526153).

53131151 is a wasteful number, since it uses less digits than its factorization.

53131151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526152.

The product of its digits is 225, while the sum is 20.

The square root of 53131151 is about 7289.1118114624. Note that the first 3 decimals coincide. The cubic root of 53131151 is about 375.9381570803.

Adding to 53131151 its reverse (15113135), we get a palindrome (68244286).

The spelling of 53131151 in words is "fifty-three million, one hundred thirty-one thousand, one hundred fifty-one".