55617648785340 has 48 divisors (see below), whose sum is σ = 155814468472320. Its totient is φ = 14823272831040.

The previous prime is 55617648785267. The next prime is 55617648785383. The reversal of 55617648785340 is 4358784671655.

It is a super-3 number, since 3×55617648785340³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253019800 + ... + 253239519.

It is an arithmetic number, because the mean of its divisors is an integer number (3246134759840).

Almost surely, 2^{55617648785340} is an apocalyptic number.

It is an amenable number.

55617648785340 is an abundant number, since it is smaller than the sum of its proper divisors (100196819686980).

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

55617648785340 is a wasteful number, since it uses less digits than its factorization.

55617648785340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506261162 (or 506261160 counting only the distinct ones).

The product of its (nonzero) digits is 677376000, while the sum is 69.

The spelling of 55617648785340 in words is "fifty-five trillion, six hundred seventeen billion, six hundred forty-eight million, seven hundred eighty-five thousand, three hundred forty".