55140345412 has 12 divisors (see below), whose sum is σ = 96518387196. Its totient is φ = 27563663360.

The previous prime is 55140345371. The next prime is 55140345431. The reversal of 55140345412 is 21454304155.

It can be written as a sum of positive squares in 2 ways, for example, as 51536264256 + 3604081156 = 227016^2 + 60034^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608253 + ... + 1642180.

It is an arithmetic number, because the mean of its divisors is an integer number (8043198933).

Almost surely, 2^55140345412 is an apocalyptic number.

It is an amenable number.

55140345412 is a deficient number, since it is larger than the sum of its proper divisors (41378041784).

55140345412 is a wasteful number, since it uses less digits than its factorization.

55140345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254678 (or 3254676 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 55140345412 its reverse (21454304155), we get a palindrome (76594649567).

The spelling of 55140345412 in words is "fifty-five billion, one hundred forty million, three hundred forty-five thousand, four hundred twelve".