53486291 has 4 divisors (see below), whose sum is σ = 53539800. Its totient is φ = 53432784.

The previous prime is 53486287. The next prime is 53486299. The reversal of 53486291 is 19268435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19268435 = 5 ⋅3853687.

It is a cyclic number.

It is not a de Polignac number, because 53486291 - 2² = 53486287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53486299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25226 + ... + 27263.

It is an arithmetic number, because the mean of its divisors is an integer number (13384950).

Almost surely, 2^53486291 is an apocalyptic number.

53486291 is a deficient number, since it is larger than the sum of its proper divisors (53509).

53486291 is a wasteful number, since it uses less digits than its factorization.

53486291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53508.

The product of its digits is 51840, while the sum is 38.

The square root of 53486291 is about 7313.4322311757. The cubic root of 53486291 is about 376.7739147794.

The spelling of 53486291 in words is "fifty-three million, four hundred eighty-six thousand, two hundred ninety-one".