53142771 has 8 divisors (see below), whose sum is σ = 77298624. Its totient is φ = 32207720.

The previous prime is 53142763. The next prime is 53142779. The reversal of 53142771 is 17724135.

It is an interprime number because it is at equal distance from previous prime (53142763) and next prime (53142779).

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 53142771 - 2³ = 53142763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53142779) 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, 805161 + ... + 805226.

It is an arithmetic number, because the mean of its divisors is an integer number (9662328).

Almost surely, 2^53142771 is an apocalyptic number.

53142771 is a deficient number, since it is larger than the sum of its proper divisors (24155853).

53142771 is a wasteful number, since it uses less digits than its factorization.

53142771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610401.

The product of its digits is 5880, while the sum is 30.

The square root of 53142771 is about 7289.9088471667. The cubic root of 53142771 is about 375.9655614867.

The spelling of 53142771 in words is "fifty-three million, one hundred forty-two thousand, seven hundred seventy-one".