55140313012 has 6 divisors (see below), whose sum is σ = 96495547778. Its totient is φ = 27570156504.

The previous prime is 55140313001. The next prime is 55140313021. The reversal of 55140313012 is 21031304155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41454588816 + 13685724196 = 203604^2 + 116986^2 .

It is a super-2 number, since 2×55140313012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892539123 + ... + 6892539130.

Almost surely, 2^55140313012 is an apocalyptic number.

It is an amenable number.

55140313012 is a deficient number, since it is larger than the sum of its proper divisors (41355234766).

55140313012 is a wasteful number, since it uses less digits than its factorization.

55140313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785078257 (or 13785078255 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 55140313012 its reverse (21031304155), we get a palindrome (76171617167).

The spelling of 55140313012 in words is "fifty-five billion, one hundred forty million, three hundred thirteen thousand, twelve".