55324172302840 has 32 divisors (see below), whose sum is σ = 142262157350880. Its totient is φ = 18968287646592.

The previous prime is 55324172302823. The next prime is 55324172302873. The reversal of 55324172302840 is 4820327142355.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98793164547 + ... + 98793165106.

It is an arithmetic number, because the mean of its divisors is an integer number (4445692417215).

Almost surely, 2^{55324172302840} is an apocalyptic number.

It is an amenable number.

55324172302840 is an abundant number, since it is smaller than the sum of its proper divisors (86937985048040).

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

55324172302840 is a wasteful number, since it uses less digits than its factorization.

55324172302840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197586329671 (or 197586329667 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 55324172302840 in words is "fifty-five trillion, three hundred twenty-four billion, one hundred seventy-two million, three hundred two thousand, eight hundred forty".