53550131 has 4 divisors (see below), whose sum is σ = 54428064. Its totient is φ = 52672200.

The previous prime is 53550127. The next prime is 53550181. The reversal of 53550131 is 13105535.

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 53550131 - 2² = 53550127 is a prime.

It is a super-2 number, since 2×53550131² = 5735233060234322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53550097 and 53550106.

It is not an unprimeable number, because it can be changed into a prime (53550121) 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, 438875 + ... + 438996.

It is an arithmetic number, because the mean of its divisors is an integer number (13607016).

Almost surely, 2^53550131 is an apocalyptic number.

53550131 is a deficient number, since it is larger than the sum of its proper divisors (877933).

53550131 is an equidigital number, since it uses as much as digits as its factorization.

53550131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877932.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 53550131 is about 7317.7955013788. The cubic root of 53550131 is about 376.9237580558.

Adding to 53550131 its reverse (13105535), we get a palindrome (66655666).

The spelling of 53550131 in words is "fifty-three million, five hundred fifty thousand, one hundred thirty-one".