55795555669 has 4 divisors (see below), whose sum is σ = 63766349344. Its totient is φ = 47824761996.

The previous prime is 55795555511. The next prime is 55795555727. The reversal of 55795555669 is 96655559755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96655559755 = 5 ⋅19331111951.

It is a cyclic number.

It is not a de Polignac number, because 55795555669 - 2³¹ = 53648072021 is a prime.

It is a super-2 number, since 2×55795555669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55795555469) 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, 3985396827 + ... + 3985396840.

It is an arithmetic number, because the mean of its divisors is an integer number (15941587336).

Almost surely, 2^55795555669 is an apocalyptic number.

It is an amenable number.

55795555669 is a deficient number, since it is larger than the sum of its proper divisors (7970793675).

55795555669 is an equidigital number, since it uses as much as digits as its factorization.

55795555669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970793674.

The product of its digits is 318937500, while the sum is 67.

The spelling of 55795555669 in words is "fifty-five billion, seven hundred ninety-five million, five hundred fifty-five thousand, six hundred sixty-nine".