55350376780855 has 8 divisors (see below), whose sum is σ = 71529717686112. Its totient is φ = 40874124391968.

The previous prime is 55350376780849. The next prime is 55350376780889. The reversal of 55350376780855 is 55808767305355.

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 55350376780855 - 2⁹ = 55350376780343 is a prime.

It is a super-2 number, since 2×55350376780855² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425772129019 + ... + 425772129148.

It is an arithmetic number, because the mean of its divisors is an integer number (8941214710764).

Almost surely, 2^{55350376780855} is an apocalyptic number.

55350376780855 is a deficient number, since it is larger than the sum of its proper divisors (16179340905257).

55350376780855 is a wasteful number, since it uses less digits than its factorization.

55350376780855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851544258185.

The product of its (nonzero) digits is 529200000, while the sum is 67.

The spelling of 55350376780855 in words is "fifty-five trillion, three hundred fifty billion, three hundred seventy-six million, seven hundred eighty thousand, eight hundred fifty-five".