55876809407 has 4 divisors (see below), whose sum is σ = 56371294560. Its totient is φ = 55382324256.

The previous prime is 55876809361. The next prime is 55876809449. The reversal of 55876809407 is 70490867855.

It is a happy number.

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 55876809407 - 2²⁴ = 55860032191 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 (55876809467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247242407 + ... + 247242632.

It is an arithmetic number, because the mean of its divisors is an integer number (14092823640).

Almost surely, 2^55876809407 is an apocalyptic number.

55876809407 is a deficient number, since it is larger than the sum of its proper divisors (494485153).

55876809407 is a wasteful number, since it uses less digits than its factorization.

55876809407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494485152.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 55876809407 in words is "fifty-five billion, eight hundred seventy-six million, eight hundred nine thousand, four hundred seven".