55035514540421 has 4 divisors (see below), whose sum is σ = 55035534905292. Its totient is φ = 55035494175552.

The previous prime is 55035514540339. The next prime is 55035514540439. The reversal of 55035514540421 is 12404541553055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10484708760100 + 44550805780321 = 3238010^2 + 6674639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55035514540421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55035514543421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5370836 + ... + 11786301.

It is an arithmetic number, because the mean of its divisors is an integer number (13758883726323).

Almost surely, 2^{55035514540421} is an apocalyptic number.

It is an amenable number.

55035514540421 is a deficient number, since it is larger than the sum of its proper divisors (20364871).

55035514540421 is a wasteful number, since it uses less digits than its factorization.

55035514540421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364870.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 55035514540421 in words is "fifty-five trillion, thirty-five billion, five hundred fourteen million, five hundred forty thousand, four hundred twenty-one".