53021741 has 4 divisors (see below), whose sum is σ = 53043900. Its totient is φ = 52999584.

The previous prime is 53021711. The next prime is 53021743. The reversal of 53021741 is 14712035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23319241 + 29702500 = 4829^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 53021741 - 2¹⁰ = 53020717 is a prime.

It is a super-2 number, since 2×53021741² = 5622610037342162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53021743) 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, 6986 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (13260975).

Almost surely, 2^53021741 is an apocalyptic number.

It is an amenable number.

53021741 is a deficient number, since it is larger than the sum of its proper divisors (22159).

53021741 is a wasteful number, since it uses less digits than its factorization.

53021741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 53021741 is about 7281.6029141941. The cubic root of 53021741 is about 375.6799302929.

Adding to 53021741 its reverse (14712035), we get a palindrome (67733776).

The spelling of 53021741 in words is "fifty-three million, twenty-one thousand, seven hundred forty-one".