53512221541 has 2 divisors, whose sum is σ = 53512221542. Its totient is φ = 53512221540.

The previous prime is 53512221517. The next prime is 53512221569. The reversal of 53512221541 is 14512221535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28601912641 + 24910308900 = 169121^2 + 157830^2 .

It is a cyclic number.

It is not a de Polignac number, because 53512221541 - 2¹⁵ = 53512188773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53512221341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26756110770 + 26756110771.

It is an arithmetic number, because the mean of its divisors is an integer number (26756110771).

Almost surely, 2^53512221541 is an apocalyptic number.

It is an amenable number.

53512221541 is a deficient number, since it is larger than the sum of its proper divisors (1).

53512221541 is an equidigital number, since it uses as much as digits as its factorization.

53512221541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The spelling of 53512221541 in words is "fifty-three billion, five hundred twelve million, two hundred twenty-one thousand, five hundred forty-one".