55641685134 has 32 divisors (see below), whose sum is σ = 134662231296. Its totient is φ = 14962469760.

The previous prime is 55641685133. The next prime is 55641685147. The reversal of 55641685134 is 43158614655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641685133) 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 15 ways as a sum of consecutive naturals, for example, 38964052 + ... + 38965479.

It is an arithmetic number, because the mean of its divisors is an integer number (4208194728).

Almost surely, 2^55641685134 is an apocalyptic number.

55641685134 is an abundant number, since it is smaller than the sum of its proper divisors (79020546162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55641685134 is a wasteful number, since it uses less digits than its factorization.

55641685134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77929560.

The product of its digits is 1728000, while the sum is 48.

The spelling of 55641685134 in words is "fifty-five billion, six hundred forty-one million, six hundred eighty-five thousand, one hundred thirty-four".