55075612 has 12 divisors (see below), whose sum is σ = 96694416. Its totient is φ = 27448640.

The previous prime is 55075609. The next prime is 55075621. The reversal of 55075612 is 21657055.

It is a congruent number.

It is an unprimeable number.

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, 20893 + ... + 23380.

It is an arithmetic number, because the mean of its divisors is an integer number (8057868).

Almost surely, 2^55075612 is an apocalyptic number.

It is an amenable number.

55075612 is a deficient number, since it is larger than the sum of its proper divisors (41618804).

55075612 is a wasteful number, since it uses less digits than its factorization.

55075612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44588 (or 44586 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 55075612 is about 7421.2944962452. The cubic root of 55075612 is about 380.4694383013.

The spelling of 55075612 in words is "fifty-five million, seventy-five thousand, six hundred twelve".