55413773407 has 4 divisors (see below), whose sum is σ = 55420895560. Its totient is φ = 55406651256.

The previous prime is 55413773383. The next prime is 55413773413. The reversal of 55413773407 is 70437731455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55413773407 - 2²⁷ = 55279555679 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 (55413773507) 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, 3549393 + ... + 3564970.

It is an arithmetic number, because the mean of its divisors is an integer number (13855223890).

Almost surely, 2^55413773407 is an apocalyptic number.

55413773407 is a deficient number, since it is larger than the sum of its proper divisors (7122153).

55413773407 is an equidigital number, since it uses as much as digits as its factorization.

55413773407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122152.

The product of its (nonzero) digits is 1234800, while the sum is 46.

The spelling of 55413773407 in words is "fifty-five billion, four hundred thirteen million, seven hundred seventy-three thousand, four hundred seven".