55075434407 has 4 divisors (see below), whose sum is σ = 62943353616. Its totient is φ = 47207515200.

The previous prime is 55075434373. The next prime is 55075434413. The reversal of 55075434407 is 70443457055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70443457055 = 5 ⋅14088691411.

It is a cyclic number.

It is not a de Polignac number, because 55075434407 - 2⁶ = 55075434343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075434457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933959594 + ... + 3933959607.

It is an arithmetic number, because the mean of its divisors is an integer number (15735838404).

Almost surely, 2^55075434407 is an apocalyptic number.

55075434407 is a deficient number, since it is larger than the sum of its proper divisors (7867919209).

55075434407 is an equidigital number, since it uses as much as digits as its factorization.

55075434407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867919208.

The product of its (nonzero) digits is 1176000, while the sum is 44.

The spelling of 55075434407 in words is "fifty-five billion, seventy-five million, four hundred thirty-four thousand, four hundred seven".