55071256 has 16 divisors (see below), whose sum is σ = 103879440. Its totient is φ = 27370080.

The previous prime is 55071251. The next prime is 55071257. The reversal of 55071256 is 65217055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55071251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19275 + ... + 21946.

It is an arithmetic number, because the mean of its divisors is an integer number (6492465).

Almost surely, 2^55071256 is an apocalyptic number.

It is an amenable number.

55071256 is a deficient number, since it is larger than the sum of its proper divisors (48808184).

55071256 is a wasteful number, since it uses less digits than its factorization.

55071256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41394 (or 41390 counting only the distinct ones).

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

The square root of 55071256 is about 7421.0010106454. The cubic root of 55071256 is about 380.4594074333.

The spelling of 55071256 in words is "fifty-five million, seventy-one thousand, two hundred fifty-six".