55501012 has 24 divisors (see below), whose sum is σ = 114831360. Its totient is φ = 22965600.

The previous prime is 55500989. The next prime is 55501027. The reversal of 55501012 is 21010555.

55501012 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 an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 33364 + ... + 34987.

It is an arithmetic number, because the mean of its divisors is an integer number (4784640).

Almost surely, 2^55501012 is an apocalyptic number.

It is an amenable number.

55501012 is an abundant number, since it is smaller than the sum of its proper divisors (59330348).

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

55501012 is a wasteful number, since it uses less digits than its factorization.

55501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68391 (or 68389 counting only the distinct ones).

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

The square root of 55501012 is about 7449.9001335588. The cubic root of 55501012 is about 381.4464997261.

Adding to 55501012 its reverse (21010555), we get a palindrome (76511567).

The spelling of 55501012 in words is "fifty-five million, five hundred one thousand, twelve".