55640125834 has 8 divisors (see below), whose sum is σ = 83461193280. Its totient is φ = 27819728076.

The previous prime is 55640125819. The next prime is 55640125859. The reversal of 55640125834 is 43852104655.

55640125834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214927 + ... + 396829.

It is an arithmetic number, because the mean of its divisors is an integer number (10432649160).

Almost surely, 2^55640125834 is an apocalyptic number.

55640125834 is a deficient number, since it is larger than the sum of its proper divisors (27821067446).

55640125834 is a wasteful number, since it uses less digits than its factorization.

55640125834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334844.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 55640125834 in words is "fifty-five billion, six hundred forty million, one hundred twenty-five thousand, eight hundred thirty-four".