55065012 has 48 divisors (see below), whose sum is σ = 132814080. Its totient is φ = 17746432.

The previous prime is 55065007. The next prime is 55065029. The reversal of 55065012 is 21056055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49648 + ... + 50744.

It is an arithmetic number, because the mean of its divisors is an integer number (2766960).

Almost surely, 2^55065012 is an apocalyptic number.

It is an amenable number.

55065012 is an abundant number, since it is smaller than the sum of its proper divisors (77749068).

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

55065012 is a wasteful number, since it uses less digits than its factorization.

55065012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55065012 is about 7420.5803007582. The cubic root of 55065012 is about 380.4450280123.

The spelling of 55065012 in words is "fifty-five million, sixty-five thousand, twelve".