53810071 has 24 divisors (see below), whose sum is σ = 66929280. Its totient is φ = 42239232.

The previous prime is 53810059. The next prime is 53810077. The reversal of 53810071 is 17001835.

53810071 = 1954² + 1955² + ... + 1967².

It is not a de Polignac number, because 53810071 - 2⁹ = 53809559 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53810077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554695 + ... + 554791.

It is an arithmetic number, because the mean of its divisors is an integer number (2788720).

Almost surely, 2^53810071 is an apocalyptic number.

53810071 is a deficient number, since it is larger than the sum of its proper divisors (13119209).

53810071 is an equidigital number, since it uses as much as digits as its factorization.

53810071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 53810071 is about 7335.5348134952. The cubic root of 53810071 is about 377.5326545148.

It can be divided in two parts, 538 and 10071, that added together give a square (10609 = 103²).

The spelling of 53810071 in words is "fifty-three million, eight hundred ten thousand, seventy-one".