53020471 has 4 divisors (see below), whose sum is σ = 60594832. Its totient is φ = 45446112.

The previous prime is 53020463. The next prime is 53020481. The reversal of 53020471 is 17402035.

53020471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53020471 - 2³ = 53020463 is a prime.

It is a super-3 number, since 3×53020471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787170 + ... + 3787183.

It is an arithmetic number, because the mean of its divisors is an integer number (15148708).

Almost surely, 2^53020471 is an apocalyptic number.

53020471 is a deficient number, since it is larger than the sum of its proper divisors (7574361).

53020471 is an equidigital number, since it uses as much as digits as its factorization.

53020471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574360.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 53020471 is about 7281.5157075982. The cubic root of 53020471 is about 375.6769307854.

The spelling of 53020471 in words is "fifty-three million, twenty thousand, four hundred seventy-one".