53661333034437 has 8 divisors (see below), whose sum is σ = 75314151627360. Its totient is φ = 33891368232240.

The previous prime is 53661333034343. The next prime is 53661333034453. The reversal of 53661333034437 is 73443033316635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53661333034437 - 2¹¹ = 53661333032389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53661333034437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53661333034487) 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 in 7 ways as a sum of consecutive naturals, for example, 470713447614 + ... + 470713447727.

It is an arithmetic number, because the mean of its divisors is an integer number (9414268953420).

Almost surely, 2^{53661333034437} is an apocalyptic number.

53661333034437 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53661333034437 is a deficient number, since it is larger than the sum of its proper divisors (21652818592923).

53661333034437 is a wasteful number, since it uses less digits than its factorization.

53661333034437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941426895363.

The product of its (nonzero) digits is 14696640, while the sum is 51.

The spelling of 53661333034437 in words is "fifty-three trillion, six hundred sixty-one billion, three hundred thirty-three million, thirty-four thousand, four hundred thirty-seven".