53661041326 has 16 divisors (see below), whose sum is σ = 82869141600. Its totient is φ = 26044571520.

The previous prime is 53661041311. The next prime is 53661041377. The reversal of 53661041326 is 62314016635.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1627911 + ... + 1660546.

It is an arithmetic number, because the mean of its divisors is an integer number (5179321350).

Almost surely, 2^53661041326 is an apocalyptic number.

53661041326 is a deficient number, since it is larger than the sum of its proper divisors (29208100274).

53661041326 is a wasteful number, since it uses less digits than its factorization.

53661041326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288699.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 53661041326 in words is "fifty-three billion, six hundred sixty-one million, forty-one thousand, three hundred twenty-six".