55092012 has 12 divisors (see below), whose sum is σ = 128548056. Its totient is φ = 18364000.

The previous prime is 55091999. The next prime is 55092013. The reversal of 55092012 is 21029055.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55092013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295489 + ... + 2295512.

It is an arithmetic number, because the mean of its divisors is an integer number (10712338).

Almost surely, 2^55092012 is an apocalyptic number.

It is an amenable number.

55092012 is an abundant number, since it is smaller than the sum of its proper divisors (73456044).

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

55092012 is a wasteful number, since it uses less digits than its factorization.

55092012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591008 (or 4591006 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 55092012 is about 7422.3993425307. The cubic root of 55092012 is about 380.5071989926.

The spelling of 55092012 in words is "fifty-five million, ninety-two thousand, twelve".