53041021 has 4 divisors (see below), whose sum is σ = 57862944. Its totient is φ = 48219100.

The previous prime is 53041007. The next prime is 53041033. The reversal of 53041021 is 12014035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53041021 - 2⁷ = 53040893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53040986 and 53041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53041321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410945 + ... + 2410966.

It is an arithmetic number, because the mean of its divisors is an integer number (14465736).

Almost surely, 2^53041021 is an apocalyptic number.

It is an amenable number.

53041021 is a deficient number, since it is larger than the sum of its proper divisors (4821923).

53041021 is a wasteful number, since it uses less digits than its factorization.

53041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821922.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53041021 is about 7282.9266781974. The cubic root of 53041021 is about 375.7254602407.

Adding to 53041021 its reverse (12014035), we get a palindrome (65055056).

The spelling of 53041021 in words is "fifty-three million, forty-one thousand, twenty-one".