55328083 has 4 divisors (see below), whose sum is σ = 55355848. Its totient is φ = 55300320.

The previous prime is 55328059. The next prime is 55328089. The reversal of 55328083 is 38082355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55328083 is a prime.

It is a super-2 number, since 2×55328083² = 6122393536909778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55328089) 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, 10641 + ... + 14962.

It is an arithmetic number, because the mean of its divisors is an integer number (13838962).

Almost surely, 2^55328083 is an apocalyptic number.

55328083 is a deficient number, since it is larger than the sum of its proper divisors (27765).

55328083 is a wasteful number, since it uses less digits than its factorization.

55328083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27764.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 55328083 is about 7438.2849501750. The cubic root of 55328083 is about 381.0499196330.

The spelling of 55328083 in words is "fifty-five million, three hundred twenty-eight thousand, eighty-three".