55546606140 has 48 divisors (see below), whose sum is σ = 164679352992. Its totient is φ = 13941108736.

The previous prime is 55546606139. The next prime is 55546606183. The reversal of 55546606140 is 4160664555.

It is a junction number, because it is equal to n+sod(n) for n = 55546606092 and 55546606101.

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, 27227709 + ... + 27229748.

It is an arithmetic number, because the mean of its divisors is an integer number (3430819854).

Almost surely, 2^55546606140 is an apocalyptic number.

It is an amenable number.

55546606140 is an abundant number, since it is smaller than the sum of its proper divisors (109132746852).

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

55546606140 is a wasteful number, since it uses less digits than its factorization.

55546606140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54457486 (or 54457484 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 55546606140 in words is "fifty-five billion, five hundred forty-six million, six hundred six thousand, one hundred forty".