55056031 has 8 divisors (see below), whose sum is σ = 56968704. Its totient is φ = 53151960.

The previous prime is 55056017. The next prime is 55056073. The reversal of 55056031 is 13065055.

55056031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55056031 - 2⁵ = 55055999 is a prime.

It is a super-3 number, since 3×55056031³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55055987 and 55056005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55059031) by changing a digit.

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, 12576 + ... + 16378.

It is an arithmetic number, because the mean of its divisors is an integer number (7121088).

Almost surely, 2^55056031 is an apocalyptic number.

55056031 is a deficient number, since it is larger than the sum of its proper divisors (1912673).

55056031 is a wasteful number, since it uses less digits than its factorization.

55056031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55056031 is about 7419.9751347292. The cubic root of 55056031 is about 380.4243435980.

The spelling of 55056031 in words is "fifty-five million, fifty-six thousand, thirty-one".