55383126304721 has 8 divisors (see below), whose sum is σ = 58392513970080. Its totient is φ = 52383187267488.

The previous prime is 55383126304697. The next prime is 55383126304739. The reversal of 55383126304721 is 12740362138355.

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

It is a cyclic number.

It is not a de Polignac number, because 55383126304721 - 2¹⁴ = 55383126288337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55383126304721.

It is not an unprimeable number, because it can be changed into a prime (55383126303721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362144991 + ... + 2362168436.

It is an arithmetic number, because the mean of its divisors is an integer number (7299064246260).

Almost surely, 2^{55383126304721} is an apocalyptic number.

It is an amenable number.

55383126304721 is a deficient number, since it is larger than the sum of its proper divisors (3009387665359).

55383126304721 is a wasteful number, since it uses less digits than its factorization.

55383126304721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724314063.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 55383126304721 in words is "fifty-five trillion, three hundred eighty-three billion, one hundred twenty-six million, three hundred four thousand, seven hundred twenty-one".