53610221629 has 2 divisors, whose sum is σ = 53610221630. Its totient is φ = 53610221628.

The previous prime is 53610221593. The next prime is 53610221641. The reversal of 53610221629 is 92612201635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39692592900 + 13917628729 = 199230^2 + 117973^2 .

It is a cyclic number.

It is not a de Polignac number, because 53610221629 - 2¹⁷ = 53610090557 is a prime.

It is a super-2 number, since 2×53610221629² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53640221629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26805110814 + 26805110815.

It is an arithmetic number, because the mean of its divisors is an integer number (26805110815).

Almost surely, 2^53610221629 is an apocalyptic number.

It is an amenable number.

53610221629 is a deficient number, since it is larger than the sum of its proper divisors (1).

53610221629 is an equidigital number, since it uses as much as digits as its factorization.

53610221629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 53610221629 in words is "fifty-three billion, six hundred ten million, two hundred twenty-one thousand, six hundred twenty-nine".