55928233 has 2 divisors, whose sum is σ = 55928234. Its totient is φ = 55928232.

The previous prime is 55928221. The next prime is 55928263. The reversal of 55928233 is 33282955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55398249 + 529984 = 7443^2 + 728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55928233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55928192 and 55928201.

It is not a weakly prime, because it can be changed into another prime (55928263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27964116 + 27964117.

It is an arithmetic number, because the mean of its divisors is an integer number (27964117).

Almost surely, 2^55928233 is an apocalyptic number.

It is an amenable number.

55928233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55928233 is an equidigital number, since it uses as much as digits as its factorization.

55928233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 55928233 is about 7478.5181018702. The cubic root of 55928233 is about 382.4227317686.

The spelling of 55928233 in words is "fifty-five million, nine hundred twenty-eight thousand, two hundred thirty-three".