55030865 has 8 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 43778032.

The previous prime is 55030861. The next prime is 55030867. The reversal of 55030865 is 56803055.

55030865 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 55030865 - 2² = 55030861 is a prime.

It is a super-2 number, since 2×55030865² = 6056792205296450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55030861) 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, 29849 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (8300880).

Almost surely, 2^55030865 is an apocalyptic number.

It is an amenable number.

55030865 is a deficient number, since it is larger than the sum of its proper divisors (11376175).

55030865 is a wasteful number, since it uses less digits than its factorization.

55030865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61671.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55030865 is about 7418.2791131097. The cubic root of 55030865 is about 380.3663710323.

The spelling of 55030865 in words is "fifty-five million, thirty thousand, eight hundred sixty-five".