55600140 has 24 divisors (see below), whose sum is σ = 155680560. Its totient is φ = 14826688.

The previous prime is 55600117. The next prime is 55600187. The reversal of 55600140 is 4100655.

It is a happy 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, 463275 + ... + 463394.

It is an arithmetic number, because the mean of its divisors is an integer number (6486690).

Almost surely, 2^55600140 is an apocalyptic number.

It is an amenable number.

55600140 is an abundant number, since it is smaller than the sum of its proper divisors (100080420).

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

55600140 is a wasteful number, since it uses less digits than its factorization.

55600140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926681 (or 926679 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55600140 is about 7456.5501406482. The cubic root of 55600140 is about 381.6734597885.

Adding to 55600140 its reverse (4100655), we get a palindrome (59700795).

The spelling of 55600140 in words is "fifty-five million, six hundred thousand, one hundred forty".