55150012 has 6 divisors (see below), whose sum is σ = 96512528. Its totient is φ = 27575004.

The previous prime is 55150001. The next prime is 55150013. The reversal of 55150012 is 21005155.

55150012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893748 + ... + 6893755.

Almost surely, 2^55150012 is an apocalyptic number.

It is an amenable number.

55150012 is a deficient number, since it is larger than the sum of its proper divisors (41362516).

55150012 is a wasteful number, since it uses less digits than its factorization.

55150012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13787507 (or 13787505 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 55150012 is about 7426.3054071321. The cubic root of 55150012 is about 380.6406828165.

Adding to 55150012 its reverse (21005155), we get a palindrome (76155167).

The spelling of 55150012 in words is "fifty-five million, one hundred fifty thousand, twelve".