55333780855 has 8 divisors (see below), whose sum is σ = 66519751392. Its totient is φ = 44187548448.

The previous prime is 55333780847. The next prime is 55333780871. The reversal of 55333780855 is 55808733355.

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 55333780855 - 2³ = 55333780847 is a prime.

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, 9931467 + ... + 9937036.

It is an arithmetic number, because the mean of its divisors is an integer number (8314968924).

Almost surely, 2^55333780855 is an apocalyptic number.

55333780855 is a deficient number, since it is larger than the sum of its proper divisors (11185970537).

55333780855 is a wasteful number, since it uses less digits than its factorization.

55333780855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19869065.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 55333780855 in words is "fifty-five billion, three hundred thirty-three million, seven hundred eighty thousand, eight hundred fifty-five".