55615584573140 has 24 divisors (see below), whose sum is σ = 117071469214560. Its totient is φ = 22193140189088.

The previous prime is 55615584573139. The next prime is 55615584573161. The reversal of 55615584573140 is 4137548551655.

It is a self number, because there is not a number n which added to its sum of digits gives 55615584573140.

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, 3318343922 + ... + 3318360681.

It is an arithmetic number, because the mean of its divisors is an integer number (4877977883940).

Almost surely, 2^{55615584573140} is an apocalyptic number.

It is an amenable number.

55615584573140 is an abundant number, since it is smaller than the sum of its proper divisors (61455884641420).

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

55615584573140 is a wasteful number, since it uses less digits than its factorization.

55615584573140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636705031 (or 6636705029 counting only the distinct ones).

The product of its (nonzero) digits is 50400000, while the sum is 59.

The spelling of 55615584573140 in words is "fifty-five trillion, six hundred fifteen billion, five hundred eighty-four million, five hundred seventy-three thousand, one hundred forty".