55779299297755 has 8 divisors (see below), whose sum is σ = 73020173626224. Its totient is φ = 40566763125600.

The previous prime is 55779299297693. The next prime is 55779299297783.

55779299297755 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55779299297755 - 2²⁷ = 55779165080027 is a prime.

It is a super-2 number, since 2×55779299297755² (a number of 28 digits) contains 22 as substring.

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, 507084539016 + ... + 507084539125.

It is an arithmetic number, because the mean of its divisors is an integer number (9127521703278).

Almost surely, 2^{55779299297755} is an apocalyptic number.

55779299297755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55779299297755 is a deficient number, since it is larger than the sum of its proper divisors (17240874328469).

55779299297755 is a wasteful number, since it uses less digits than its factorization.

55779299297755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014169078157.

The product of its digits is 39382402500, while the sum is 88.

The spelling of 55779299297755 in words is "fifty-five trillion, seven hundred seventy-nine billion, two hundred ninety-nine million, two hundred ninety-seven thousand, seven hundred fifty-five".