55754241315521 has 16 divisors (see below), whose sum is σ = 65553400942848. Its totient is φ = 46423653792000.

The previous prime is 55754241315517. The next prime is 55754241315541. The reversal of 55754241315521 is 12551314245755.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55754241315521 - 2² = 55754241315517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55754241315521.

It is not an unprimeable number, because it can be changed into a prime (55754241315541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416812205 + ... + 416945946.

It is an arithmetic number, because the mean of its divisors is an integer number (4097087558928).

Almost surely, 2^{55754241315521} is an apocalyptic number.

It is an amenable number.

55754241315521 is a deficient number, since it is larger than the sum of its proper divisors (9799159627327).

55754241315521 is a wasteful number, since it uses less digits than its factorization.

55754241315521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833758432.

The product of its digits is 4200000, while the sum is 50.

The spelling of 55754241315521 in words is "fifty-five trillion, seven hundred fifty-four billion, two hundred forty-one million, three hundred fifteen thousand, five hundred twenty-one".